This product is no longer available. Replaced with upgraded material Part # 379067. 6" x 7/8" P80 - P80 - 80 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 - Packed 50 discs per box. 10 boxes (500 discs) per case. - Manufacturer: Sungold.