3-Pack - CenterFire 3 in. Insulation Blade

Item# CB00-1103-3

The CenterFire Straight Blade (handle not included) quickly cuts through foam and fiber insulation products such as foam board insulation, batt insulation, denim/bonded logic, and fiberglass. Crafted from high-quality tooling steel, these re-sharpenable carbon steel blades outlast most other blades. Blade fits into standard utility knife handles and most reciprocating saws.  The non-serrated edge eliminates dust and debris – best tool available for cutting plasma rope. This three-pack provides a ready supply of superior blades.

MSRP: $26.95


Description & Specifications

Quickly cuts through foam and fiber insulation products like batt Insulation, Denim/Bonded Logic and fiberglass. Slightly flexible blade can be drug quickly through thick insulation – no need to waste time sawing – and easily around window frames.

Note: We recommend purchasing the shortest blade that can cut all the way through your product to avoid wandering. The 3 inch blade is ideal for standard 2 inch foam board insulation. For thicker products see our 4 inch Straight Blade and 7 inch Straight Blade.



  • Long-lasting re-sharpenable carbon steel blade outlasts other blades
  • Crafted from high-quality tooling steel
  • Non-serrated edge eliminates dust and debris
  • Easily cuts notches and squares around outlets, and circles in sheets
  • 15% time savings over other cutting methods
  • Time savings of 30% when used with the MAGNUM Shut-N-Cut (1901-26-01)
  • Clean, fuzz-free, dust-free cuts even on “hard to cut” insulation like denim and Rockwool
  • Blade fits into a standard utility knife handle as well as a Sawzall-type reciprocating saw
  • Versatility allows the blade to work with the CenterFire Insulation Knife Kit as well as other cutting tools


  • Cut through insulation FAST!
  • Insulation Bats
  • Denim/Bonded Logic
  • Polyester/Enguard/Vita Nonwovens
  • Fiberglass
  • Rockwool/Mineral Wool
  • Foam Boards (Rigid sheet foam products)
  • Poly Iso
  • XPS
  • EPS
  • Soft Foam and more!

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