The Fein Starlock Plus Round HSS BIM 100mm Saw Blade (63502175210) is a high performing, cost effective circular oscillating saw blade. This bi-metal blade features metal toothing for sheet metal up to approximately 1/16" as well as plastics, GFRP, wood, glazing compound, brass, and bronze. It allows you to work flush with the surface. This accessory is designed with a future proof "cake tin" pattern that gives it a more secure three dimensional connection for maximum stability, precision, and performance. The accessory information is laser etched onto the blade surface and each blade is designed to give the best performance and be backwards compatible.