10" grinding disc wheel for EDCO, Husqvarna, MK and Blastrac floor grinders with different diamond grit sizes designed for concrete, epoxy, mastics, thinset, water-proofing coatings and more. Use the #40/50 diamond grit if a more aggressive grinding and faster stock removal is required. Specifications: Large 10" diameter grinding disc wheel 4 x 3/8" threaded bolt holes arbor size Medium bond can be used on both soft and hard aggregates or PCDs for more aggressive grinding 20 arrow segments with #40/50 grit Fits Edco, MK, Blastrac, Husqvarna floor grinders Can be used wet or dry