Net sponge pad for bowling ball / automotive

6 inch. Diameter 150mm

Abrasive silicon carbide. 

Grits 180/320/360/400/500/600/800/1000/1200/1500/2000/2500/3000/4000

The sponge is very soft so it can lay flat around the ball.changing the surface of the bowling ball .

Also used in the automotive sector