5 Diameter PSA Disc - Aluminum Oxide - 50 Grit
With the disc holder, PSA discs can be used on commercially available, variable speed or slow-running angle grinders with a 5/16-24 UNC thread. PSA (pressure-sensitive adhesive) discs are suited to grinding larger surfaces. For universal grinding work from coarse to fine grinding in industry and professional trades.The flexible system includes a PSA disc and associated holder for use on contours.