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Sand extremely tough automotive e- coat primers with 3M Hookit Abrasive Disc 337U. Our abrasive disc 337U has been specifically developed to get a matt finish on E-Coat OEM primers.
Our Hookit Abrasive Disc 337U has a finish equivalent to P320 so you dont need to use coarser grades. Its available in 150mm size and has a 15 hole configuration.
Finish equivalent to P320
Use to sand extremely tough automotive e-coat primers
Get a consistent matt finish
3M Part Number: 50535