LWB-3B 18mm Insulation Blades, 3 Pack

  • $6
  • Save $1

  • Serrated edge for porous materials
  • Extend for deeper cuts
  • Premium Japanese tool steel
  • Fits most 18mm snap knives


Thick Materials? No Problem

The LWB-3B Insulation Blade by OLFA is precision-honed for professional-grade sharpness and durability. The serrated edge glides through thick or porous materials with ease. Extend the long, solid design blade for a clean and accurate cut every time.

Crafted from the highest-quality Japanese steel, each blade provides lasting sharpness. The universal 18mm size fits most 18mm snap knives. Use this blade on insulation, foam board, and more.

Pack of (3) blades in a plastic storage case for storage and portability.

(LWB-3B, #1119182)


 Foamboard Insulation
PVC pipe
Poly sheeting
Siding Twine/Rope
And more

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