Package Include: 17pcs Diamond Polishing Pads 4 inch, 2pcs Backing Pads with
2pcs drill Adapters. IMETRX Concrete diamond sanding discs size: 4inch diamond
polishing pad, 1x Grit #30 #50 #100 #150 #200 #300 #400 #500 #800 #1000 #1500
2000 #3000 #5000 #6000 #8000 #10000 Almost all grits are included in this
diamond sanding pads set. Convenient to use and cost-effective. For Diamond
Polishing Pads wet dry polishing. (Dry polishing is less pollution, wet
polishing get better result.) Widely used in marble polishing, granite
polishing, stone polishing, etc.