10 inch concrete grinding wheel for Edco floor grinder 20 PCS Turbo Segments grinding disc, each segments in size 40*10*10 mm L*W*H 4 X 3/8" Threaded Bolt Holes. Fit With Edco - 10" Turbo Grinder ( May not fit with SECHD 1.5, ), MK - SDG-3, SDG-11, SDG-101, SDG103, DDG-5, DDG-11, Hus- Dual Trac RG 2112, Blastrac - BG-250, BG-250MKII, BGP-250, BGS-250-115, BGS-250-115-V2 Grit 30, hard bond hand welded high concentration segments for long and aggressive grinding. Warning: May not fit with some old model Edco magna trap grinder. 10 inch concrete grinding disc fit with Edco, MK, Blastrac floor grinder