Carbide Multi-Wheel – allows angle grinders to cut material they couldn’t previously - wood, plastics, composites and more Carbide-grit edge – provides a long life because the grit is bonded to the steel wheel with laser-melting technology Thin wheel body – provides fast cuts in hard-to-reach areas and professional performance Optimal compatibility – designed to match with the Bosch GWS12V-30 3 In. grinder Functional applicability – compatible with standard 3 In. grinders and cut saws with 3/8 In. arbors