TacKnives OTF Knife Box cutter Black
TacKnives Automatic OTF Knife Box Cutter – Fatboy (w/ Grip Tape)

TacKnives Automatic OTF Knife Box Cutter – Fatboy (w/ Grip Tape)


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  • Overall length: 5.25″
  • Handle length: 3.375″
  • Clip: Stainless Steel
  • Weight: 3.6 oz
  • Handle Surface: Hard Anodizing
  • Handle material: 6061-T6 aluminum alloy

TacKnives introduces the ultimate box cutter that will revolutionize the way you work – the Fatboy Box Cutter! This particular unit is the TacKnives Automatic OTF Knife Box Cutter – Fatboy Purple with Grip Tape.  This automatic knife features an out-the-front (OTF) design that allows you to easily and quickly extend and retract the replaceable SK5 blade with just one hand. The credit card size and pocket clip allow the user to conveniently carry it in the pocket. The super sharp and replaceable SK5 razor blade will cut through anything from cardboard boxes to thick ropes and more. Say goodbye to the frustration of dull blades and the gunking up of OTF knives. Whether you are working in the warehouse, garage, or workshop, the Fatboy is a must-have versatile EDC tool.


The Fatboy is a box cutter style knife. If you are looking for more traditional pocket knives, click here

Suggested Replacement Blades:

Milwaukee General Purpose Utility Blades

Husky Heavy-Duty Utility Blades