3M Cubitron™ II 40+ Grit 6" Purple Sanding Disc #31370, Box of 25 3m dramatically increases surface area contact

dramatically increases surface area contact allowing Multi-Air Cyclonic to improve productivity by 32% versus conventional multi-hole sanding

It is designed to be sprayed over spot

Also available in Satin and Matte finishes

Apply several thin layers over cured and sanded primer or body filler using a spreader

minimizes heat buildup during buffing and helps eliminates swirl marks

3M Cubitron™ II 40+ Grit 6" Purple Sanding Disc #31370, Box of 25 3m dramatically increases surface area contactOur Cubitron II Hookit clean sanding abrasive discs 737U combines the highest 3M technologies for automotive repair. Its long lasting sharp triangular shaped grain and multi hole pattern for superior dust extraction make the disc ideal for paint removal, rough body filler shaping, fine feather edging or final prep before blending or priming. The Hookit system makes for quick disc change outs. 40+ Grit Hookit hook and loop attachment Multi hole pattern