Much better than conventional grinding wheels

Available In Four Different Sizes, These Wheels Work Much Better Than The One That Came With Your Grinder, 1-1 / 4odx5 / 8idx3 / 4l Fibre Bush: "Fabricated to Woodworker's Supply specifications, Pacific grinding wheels run cooler because they eliminate much of the heat generated by conventional wheels:
Pink aluminum oxide abrasive is tough, but has friable grains that break away to continuously expose sharp edges. Suitable for grinding high tensile steel like hardened or High Speed Steel.$10 - $25"