Mainly polishing and grinding the surface of board and metal, piano board, leather, automobile, stone etc. Velcro disc with holes is better for the strips go out, so the work pieces can be harmed and there is no pollution 

 

Benefit

1)Excellent cut rate

2)High poshing efficiency

3)Resists clogging during use

4)Extended life,less downtime

5)Good grinding surface polishing