Bosch CG27M701 7 In. 1/8 In. 5/8-11 In. Arbor Type 27 24 Grit Light Grinding/Metal Cutting Abrasive Wheel Designed for use with large angle grinders Type 27 depressed center wheel for grinding For use on flat surfaces for weld preparation Best used at a 30-degree angle Aluminum oxide grain cuts high-tensile strength materials without excessive fracturing