These Festool 577491 reciprocating saw blades are specially designed to cut soft insulating materials such as foam and cardboard. The blades feature a serrated edge for fast cuts, and the 13-3/4” length is capable of cutting thick bundles of insulation. Made from HCS tool steel for exceptional blade strength, with a knife edge for plunge-cutting and a wide blade back for straight cuts. Universal shank for easy blade changes on any reciprocating saw with an S-shank mount. Color-coded green for Construction Materials under Festool’s blade color-coding system.








