7" P60 - P60 - 60 grit - P graded which provides more uniform finish than traditional Cami graded products - Sharp Silicon Carbide grain cuts fast while minimizing heat - Design for use on Glass, Mirror and Stone - Full resin on resin bond holds up to heat and moisture - 100% polyester waterproof Y weight backing - For use with Hook& loop back-up pads. - Packed 25 discs per box. 10 boxes (250 discs) per case. - Manufacturer: Sungold.