---------------------Description------------------------------- Product Name:DT-DIATOOL 10pcs 4 Inch 100mm Diamond Flexible Wet Polishing Pads and A Rubber Backer Specification: Diameter 100mm / 4",Thickness: 3mm,Connection: Nylon buckle，Grits available #50, #100, #200, #400, #800, #1500, #3000,White Buff Backer: Diameter 4"/100mm , Rubber based, 5/8-11 Thread Remark:Mixed Grits=10pcs/set ( 2pcs#50+2pcs#100+1pc#200+1pc#400+1pc#800+1pc#1500+1pc#3000) Quantity: 10pcs 100mm and a rubber backer Feature: Wet Grinding or Polishing Suitable for granite marble natural stone or engineering stone Professional Quality, High efficience and long polishing life =======The End======= Other availabe grit: 50#,100#,200#,400#,800#,1500#,3000#,White Buff