1.5 inch back holders are designed to fit diamond polishing pads, Max RPM 12000.
2.Sanding Pads could be attached to any polishing pads easily and allows for a fast switching between different grit size.
3.Connect a back holder to the polisher, and attach a polishing pad to the back holder.
4.Using a thicker J-Hook design made from a more heat resistant material, and implementing a stronger adhesive.
5.Please use with power tools with 5/16 inch * 24 (M6 x 1.0) thread spindle. (thread spindle is not included here)

Specifications:
Product Name: Sanding Pad
Material: Plastic, Sponge
Diameter: 125mm / 5-inch
Thread Size: 5/16 inch * 24 / M6 x 1.0; Max RPM: 12000
Package Content: 1 x Sanding Pads
Weight: 26g;Color: Black, Yellow