... (mainland) type:abrasive flap wheel brand name:KMJ usage:grinding ,polishing ,sanding KMJ-2708 diamond abrasive flap ... usage:grinding ,polishing ,sandinggrit: 60#-1500#size: dameter: 15- 80mm, thicknss: 10-50mmSpecificationssuper hard diamond and cbn sanding products 1,for ... glass, stones,steel,etc 2,professional manufacturer 3,more economicThe superabrasive diamond and ...