How To Remove a Cup Concrete Grinding Wheel from an Angle Grinder - YouTube
DeWALT 6" Diam x 2" Thick, R Hardness, 16 Grit Surface Grinding Wheel Aluminum Oxide/Silicon Carbide Blend, Type 11, Very Coarse Grade, 6,000 Max RPM, Metal Bond DW4964 - 80493869 - Penn Tool Co., Inc