For fast effective trimming and cutting of foil backed insulation board. Features a long sharp edge for maximum speed, minimal flaking and dust creation. 100mm blade length. Cuts foil backed insulation board, foam, polystyrene and other soft materials. Universal fitment: Fits most main brands of multi-tool. (Not Star-lock). Smart Trade Insulation Blade 100mm. This new wavy edged Insulation blade is designed for very fast, clean cutting and scribing in insulation board. It can also be used for removal of flooring coverings, lino, cork tiles, silicone sealant, foam and other soft materials.