3M SCOTCH-BRITE 2″ ROLOC SURFACE CONDITIONING DISCS – Surface Conditioning Discs combined with the quick “1/2 turn on, 1/2 turn off” 3M Roloc disc fastening system. The 3M Roloc disc fastening system offers ease of disc centering and is used in conjunction with 3M 2″ Roloc Disc Pad Assembly PN# 05539. Quickly removes cork or paper gaskets and form-in-place gasket material prior to assembling drive train components, engine blocks, heads, and valve covers. Best used on steel parts. The 3M Roloc System requires use of the 3M Roloc + Holder (PN07500). Product is sold by the each.
Coarse Grade – Brown disc and is similar to a coated abrasive grit of 80 – 100.
Medium Grade – Maroon disc and is similar to a coated abrasive grit of 100 – 120.
Very Fine Grade – Blue disc and is similar to a coated abrasive grit of 220 – 320.