The LWB-3B Insulation Blades by OLFA are precision-honed for professional-grade sharpness and durability. The serrated edge glides through thick or porous materials with ease. The solid design blade can be fully extended for a clean and accurate cut every time.
Crafted from the highest-quality Japanese steel, each blade is built to last. The universal 18mm size allows this blade to fir most 18mm snap knives making it the professional choice for cutting insulation, foam board, and more.