Saitech .045 - Stainless Steel. Thin .045 width.Use with reusable 5/8-11 adaptor to fit angle grinders. Combines fast cutting with extremely long life. Stainless steel, high tensile alloys. Ferrous and/or non-ferrous metals. Specifications: Max RPM - 8500. Tech Info: Type 1 shape for square, burr-free cutting. Patented 3M Cubitron grain formulation outlasts standard aluminum oxide wheels. Externally reinforced with fiberglass layers to provide ultimate safety in a thin wheel. Wide range of sizes available to fit both angle grinders and circular saws.