4" 5-Step Dry Polishing PadThese 5 step dry polishing pads are most flexible and cost efficient. Only 5 steps. Less steps can save lots of time. Suitable for all natural stones. Make your stone surface most shining, without any scratches.With velcro back. And velcro color can be changed as requested.Very flexible.RPM: 4000. Use with variable speed grinder or polisherOne set including Pos.1,Pos.2,Pos.3,Pos.4,Pos.5Available sizes: 4"Thickness:2.0mmDry use.Item No.SizeGrit No.Velcro ColorThicknessC1001004"/100mmPos.1Yellow2.0mmC100101Pos.2 RedC100102Pos.3 GreenC100103Pos.4 Light BlueC100104Pos.5 White