DT-DIATOOL 6 pcs 4 inch Diamond Floor Polishing Pads Sanding disc for concrete cement terrazzo Diameter 4 Inch/100mm, Total thickness 9mm, workable thickness 6mm; Diamond Grit 200 Suitable for processing, repairing and renovating concrete floor, cement floor, terrazzo floor. Dry or Wet Grinding or polishing, wet working could be get better performance. Strong grinding force, good durability. Recommended RPM: 2500RPM.Maximum RPM:5000. ---------------------Description------------------------------- Product Name:DT-DIATOOL 6 pcs 100mm Diamond Floor Polishing Pads Sanding disc for concrete cement terrazzo Specification: Diameter 100mm/4" , Total thickness 10.5mm, workable thickness >=9mm Diamond Grit: #200 Quantity: 6 pcs Diameter 100mm Feature: Suitable for processing, repairing and renovating concrete floor, cement floor, terrazzo floor Not Recommended for very soft concrete Dry or Wet Grinding or polishing, wet working could be get better performance Strong grinding force, good durability (>=9MM workable thickness),Good brightness and not fade, High temperature resistance Recommended speed is 2500RPM, Max capacity is 4000RPM =======The End======= Other availabe grit: 50#,100#,200#,400#,800#,1500#,3000#