This pads are for wet polishing with water, It's high quality for stones granite, marble,concrete,quartz etc polishing. It is very sharp polishing fast and flexible.
Diameter: 3 inch(80mm) 4 inch(100mm) 5 inch (125mm)
Working thickness: 2.7mm
Grit number:: 30# 50#, 100#, 200#, 400#, 800#, 1500#, 3000#, Black/White Buff (White buff for white color and light color stone polishing, while black buff is for black color and dark color stone polishing ).
Use type: Wet polishing
Max RPM: 4500 RPM
Application: hand polisher, portable grinder