As an Amazon Associate I earn from qualifying purchases.

Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there.
Powerful work knife: our box cutters are more than just box cutters; Cut carpet, PVC, rope, fabric, leather, Sheetrock, rubber hoses, paper, and so much more; These are the most practical utility knives for most any task.

Built with safety in mind: much safer than retractable utility knives with its smaller exposed cutting edge, patented quick-change blade mechanism, and lock back release; The textured grip gives you a firm hold in any situation, making this small box cutter more precise than your average box blade.
Lock back release: box knife features the same lock back release as your favorite Sheffield pocket knives, keeping your blade safely in place when opened or closed. Folding utility knife full specs: 6 inches open length, textured aluminum grip, 3-1/2 inches closed length, uses standard utility blades, lock back design, patented quick-change blade mechanism, thumb stud, features pocket clip.

Br>backed by warranty: if something happens to your replacement blades, it might be covered with the reliable Sheffield Limited Lifetime warranty. Br>easy storage: with their compact and slender design, these replacement blades are easy to store in your workspace to be easily accessed when you need them.

Lock back release: box knife features the same lock back release as your favorite Sheffield pocket knives, keeping your blade safely in place when opened or closed. Folding utility knife full specs: 6 inches open length, lock back design, patented quick-change blade mechanism, textured aluminum grip, features pocket clip, thumb stud, uses standard utility blades, 3-1/2 inches closed length, blade storage in the handle.
Blade storage in handle: this super safe small box cutter features blade storage in the handle and comes with 5 blades; Much safer and more convenient than your average box blade. Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there.


Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there. Powerful work knife: our box cutters are more than just box cutters; Cut carpet, rubber hoses, leather, paper, fabric, PVC, rope, Sheetrock, and so much more; These are the most practical utility knives for most any task.

Comfort and convenience: our lightweight utility knife has an ABS handle for maximum grip and comfort; Small folding knife has a folded length of 2.
Ideal features: this sheffield knife comes with the patented quick change mechanism and lock back release for which Sheffield utility knives are known, making blades easy to install and access; Pocket knife keychain included.

Retractable utility knife: this edc knife offers the solution to needing a durable box cutter for cardboard or a pocket utility knife without the extra heft; Ideal electricians knife, carpenter knife, contractor knife, or heavy duty carpet cutter.
1 oz; comes with a standard utility blade. Product specifications: uses standard utility knife blades; Black-and-white design; Lightweight and durable plastic handle; Lock Back release; Quick change mechanism; Weight: 006 lbs. Convenient features: our box cutter utility knife features the Lock Back release and quick-change mechanism for which the Sheffield utility knives are known; Retractable knife uses standard utility blades, making it easy to replace dull blades.
1. Sheffield
#ad
Sheffield 12849 Pocket Utility Blades, Carpet & More, 5 Piece | Standard Utility Blades – Work with Any Utility Knives Including Sheffield’s Folding Lock Back Utility Knives | Cut Rope, Boxes, Paper
#adSheffield #ad - Blades fit sheffield 12126. Quality Precision Cutting. Finest Cutlery Steel. Item package dimension: 4. 0" l x 2. 0" w x 1. 0" h.More information #ad
Brand | Sheffield #ad |
Manufacturer | Great Neck Saw #ad |
Height | 0.5 Inches |
Length | 3.4 Inches |
Width | 1.9 Inches |
Part Number | 12849 |
Model | 12849 |
Warranty | No Warranty |
More information #ad
2. Sheffield
#ad
Aluminum & Wood Handle, Quick-Change Blade, Box Cutter Knife, Folding, Back Lock Design, Sheffield 12115 Ultimate Lock Back Utility Knife, and More, Carpet Knife, Drywall Cutter
#adSheffield #ad - Lock back release: box knife features the same lock back release as your favorite Sheffield pocket knives, keeping your blade safely in place when opened or closed. Classic look: this is not your average box blade; Our razor knife features the classical stylings of a wood-grain and aluminum handle.Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there.
More information #ad
Folding utility knife full specs: 6 inches open length, textured aluminum grip, uses standard utility blades, thumb stud, 3-1/2 inches closed length, patented quick-change blade mechanism, lock back design, features pocket clip. Powerful work knife: our box cutters are more than just box cutters; Cut carpet, PVC, rope, fabric, leather, Sheetrock, rubber hoses, paper, and so much more; These are the most practical utility knives for most any task.
Brand | Sheffield #ad |
Manufacturer | Great Neck Saw #ad |
Height | 1.42 Inches |
Length | 6.06 Inches |
Weight | 0.45 Pounds |
Width | 0.71 Inches |
Part Number | 12115 |
Model | 12115 |
Warranty | Sheffield Limited Lifetime |
More information #ad
3. Sheffield
#ad
Black, Back Lock Design, Quick-Change Blade, Drywall Cutter, Folding, Box Cutter Knife, and More, Carpet Knife, Sheffield 12613 Ultimate Lock Back Utility Knife
#adSheffield #ad - Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there. Powerful work knife: our box cutters are more than just box cutters; Cut carpet, leather, rubber hoses, PVC, paper, Sheetrock, rope, fabric, and so much more; These are the most practical utility knives for most any task.Built with safety in mind: much safer than retractable utility knives with its smaller exposed cutting edge, patented quick-change blade mechanism, and lock back release; The textured grip gives you a firm hold in any situation, making this small box cutter more precise than your average box blade.
More information #ad
Lock back release: box knife features the same lock back release as your favorite Sheffield pocket knives, keeping your blade safely in place when opened or closed. Folding utility knife full specs: 6 inches open length, textured aluminum grip, 3-1/2 inches closed length, uses standard utility blades, lock back design, patented quick-change blade mechanism, thumb stud, features pocket clip.
Brand | Sheffield #ad |
Manufacturer | Great Neck Saw #ad |
Height | 0.5 Inches |
Length | 9.2 Inches |
Weight | 0.1 Pounds |
Width | 3.4 Inches |
Part Number | 12613 |
Model | 12613 |
Warranty | Sheffield Limited Lifetime |
More information #ad
4. Sheffield
#ad
5 Piece | Fits Sheffield 12116 and 121126 Mini Utility Knifes | 1-1/8” x 3/8” Blades | Do-Everything Blade for a Do-Everything Knife, Sheffield 12851 Mini Utility Blades
#adSheffield #ad - See product manual for warranty conditions and limitations. Br>high-quality materials: these mini blades are crafted from durable steel that won’t break and will last a long time.Br>backed by warranty: if something happens to your replacement blades, it might be covered with the reliable Sheffield Limited Lifetime warranty. Br>easy storage: with their compact and slender design, these replacement blades are easy to store in your workspace to be easily accessed when you need them.
More information #ad
Br>must-have for knife owners: if you own sheffield mini utility knives, having blade replacements are a must to keep your knives working at their best. Br>fits a variety of knives: these mini utility blades are perfect to fit specifically Sheffield 121126 and 121126 mini utility knives.Brand | Sheffield #ad |
Manufacturer | Sheffield Tools #ad |
Height | 0.16 Inches |
Length | 6.5 Inches |
Weight | 0.03 Pounds |
Width | 1.85 Inches |
Part Number | 12851 |
Model | 12851 |
Warranty | Sheffield Limited Lifetime |
More information #ad
5. Sheffield
#ad
Drywall Cutter, Comes with 5 Blades, Quick-Change Blade, Blade Storage in Handle, Blue, Sheffield 12119 Ultimate Lock Back Utility Knife, Carpet Knife, Box Cutter Knife
#adSheffield #ad - Powerful work knife: our box cutters are more than just box cutters; Cut carpet, fabric, PVC, rope, paper, rubber hoses, leather, Sheetrock, and so much more; These are the most practical utility knives for most tasks.Lock back release: box knife features the same lock back release as your favorite Sheffield pocket knives, keeping your blade safely in place when opened or closed. Folding utility knife full specs: 6 inches open length, lock back design, patented quick-change blade mechanism, textured aluminum grip, features pocket clip, thumb stud, uses standard utility blades, 3-1/2 inches closed length, blade storage in the handle.
More information #ad
Blade storage in handle: this super safe small box cutter features blade storage in the handle and comes with 5 blades; Much safer and more convenient than your average box blade. Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there.
Brand | Sheffield #ad |
Manufacturer | Great Neck Saw #ad |
Height | 0.8 Inches |
Length | 9.4 Inches |
Weight | 0.4 Pounds |
Width | 3.4 Inches |
Part Number | 12119 |
Model | 12119 |
Warranty | Sheffield Limited Lifetime |
More information #ad
6. Sheffield
#ad
Sheffield Model H-5, Webbing and Synthetic Material Cutter, Rope Cutter, Manual Hot Knife, Nylon Cutter, Hot Cutter, Hot Strip Cutting Machine with 4 ¾" blade
#adSheffield #ad - Ultra fast heat-up time, rope, under 20 seconds! Will cut webbing, etc with a nice seal.120 volts. Lighted on/OFF rocker switch. Comes with a 4-3/4" blade. Heats up to 1200° Fahrenheit.More information #ad
Brand | Sheffield #ad |
Part Number | H-5 |
Model | H-5 |
More information #ad
7. Sheffield
#ad
And More, Folding, Drywall Cutter, Red, Back Lock Design, Carpet Knife, Sheffield 12614 Ultimate Lock Back Utility Knife, Quick-Change Blade, Box Cutter Knife
#adSheffield #ad - Lock back release: box knife features the same lock back release as your favorite Sheffield pocket knives, keeping your blade safely in place when opened or closed. Built with safety in mind: much safer than retractable utility knives with its smaller exposed cutting edge, and lock back release; The textured grip gives you a firm hold in any situation, patented quick-change blade mechanism, making this small box cutter more precise than your average box blade.More information #ad
Folding utility knife full specs: 6 inches open length, textured aluminum grip, 3-1/2 inches closed length, thumb stud, uses standard utility blades, patented quick-change blade mechanism, lock back design, features pocket clip. Patented quick-change blade mechanism: Nothing to unscrew when installing new folding box cutter blades, setting it apart from every other cardboard cutter out there. Powerful work knife: our box cutters are more than just box cutters; Cut carpet, rubber hoses, leather, paper, fabric, PVC, rope, Sheetrock, and so much more; These are the most practical utility knives for most any task.
Brand | Sheffield #ad |
Manufacturer | Great Neck Saw #ad |
Height | 0 Inches |
Length | 5.91 Inches |
Weight | 0.33 Pounds |
Width | 0 Inches |
Part Number | 12614 |
Model | 12614 |
Warranty | Lifetime |
More information #ad
8. Sheffield
#ad
Comes with 6 Mini Blades, Sheffield 12125 Mini Quick Change Folding Utility Knife, Key Chain Utility Knife, Outdoor Knife, Lightweight Cardboard Cutter Tool
#adSheffield #ad - Product specifications: patented quick change mechanism; key chain; lock back Release; One-Hand Opening; 6 Mini Pocket Utility Knife Blades; Folded Length: 2. 5 inches; overall Length: 4. 5 inches; Weight: 1. 5 ounces. Folding utility knife: the sheffield folding knife features a one-hand opening operation for ease of use as you cut through paper, work knife, twine, cardboard, and more materials; Perfect EDC pocket knife, or camping utility knife.Comfort and convenience: our lightweight utility knife has an ABS handle for maximum grip and comfort; Small folding knife has a folded length of 2.
More information #ad
5 inches for easy portability, allowing you to keep this compact knife with you at all times. Extra utility knife blades: our mini utility knife includes five mini utility knife razor blades in the handle, ensuring you're ready to go from the start and making blade replacements easy; 6th razor blade is stored in the blade holder. Ideal features: this sheffield knife comes with the patented quick change mechanism and lock back release for which Sheffield utility knives are known, making blades easy to install and access; Pocket knife keychain included.
Brand | Sheffield #ad |
Manufacturer | Great Neck Saw #ad |
Height | 0.9 Inches |
Length | 5.9 Inches |
Width | 4.8 Inches |
Part Number | 12125 |
Model | 12125 |
Warranty | Sheffield Limited Lifetime |
More information #ad
9. Sheffield
#ad
Heavy Duty Cardboard Cutter, Compact Box Cutter with Lock Back Release and Quick-Change Mechanism, Sheffield 1282 Gadget Folding Lock Back Utility Knife
#adSheffield #ad - Lightweight yet durable: the ergonomic box cutter has a lightweight handle that is made from durable plastic, eliminating unnecessary bulk and making this the perfect utility pocket knife; Compact razor knife comes in a sleek black-and-white design.Retractable utility knife: this edc knife offers the solution to needing a durable box cutter for cardboard or a pocket utility knife without the extra heft; Ideal electricians knife, carpenter knife, contractor knife, or heavy duty carpet cutter.
More information #ad
Ready to use: these retractable knives come with a standard utility box knife blade included, ensuring you're ready to go from the start; Immediately get to work on professional or DIY cutting tasks with this razor blade knife. 1 oz; comes with a standard utility blade. Product specifications: uses standard utility knife blades; Black-and-white design; Lightweight and durable plastic handle; Lock Back release; Quick change mechanism; Weight: 006 lbs. Convenient features: our box cutter utility knife features the Lock Back release and quick-change mechanism for which the Sheffield utility knives are known; Retractable knife uses standard utility blades, making it easy to replace dull blades.
Brand | Sheffield #ad |
Manufacturer | Sheffield #ad |
Height | 0.7 Inches |
Length | 7.6 Inches |
Width | 3.4 Inches |
Part Number | 1282 |
Model | 1282 |
More information #ad