The Fein StarlockPlus Segmented Carbide 188 Saw Blade features the 9-9/16" diameter blade, 1.2mm Kerf, diamond coating, and a open teeth structure that are designed to make clean cuts in fiberglass materials without delamination. It also has is segmented design that can make corner and edge work easier to not over cut. The blade also has a Starlock mount, which can fit all popular multifunction tool.