SA331 Al ox 220# grip disc 125 dia x no hole

CA331 is a premium (white) aluminium oxide with a film backing which makes gives great aggression and also durability.

Recommendation;
331 material is particular good for sanding composites and other hard materials which can dull the abrasive grain of inferior discs quickly.

SA331 grip fixing discs with film backing 125mm diameter 220 grit