Features: 1. Sharp and good polishing effect 2. Different quality for single head and tri-head ... machines 3. Never marks More features:-1.Flexible polishing pads, also integrated grains with resin oid2.High gloss finishs ... .Other sizes and parameters:Size(inch)3, 4, 5, 6TypeDry Polishing Pad, Wet Polishing PadGrit50,100,200,400,800,1500,3000,buffFor machines such ...