Bosch CWDG1M415 4 In. x .045 In. 5/8 In. Arbor Type 1A 46 Grit Metal Cutting Grinding Wheel Made of high-quality abrasive grains, bonding coats and backings Designed for use with die/straight grinder Type 1A straight wheel for cutting Used at a 90-degree angle Designed for cutting only, no grinding