... Dry and wet use Size: 3" - 10" Diamond tool - diamond floor grinding head is made by Xiamen Verich, which the professional ... you to the best of our ability. Item No.:diamond floor grinding head Diameter: Grit:#6, #16, #30, #50, #100, #200 ... , #400.Thickness:10mmBack:Velcro, Terrco, Redi-lock, Snail, Thread etc.Work condition:Both for dry and wet.Processing Object:Granite, marble ...