3M™ Hookit™ D/F Low Profile Finishing Disc Pad 77856, 5 in x 11/16 in 5/16-24 External
For use with 5 in Hookit™ dust-free discs (5 dust holes Die# 500FH). Soft foam construction. Use in applications using fine grade abrasives (grade 220 and finer). Use with coarse grade abrasives may cause premature foam failure. 5/16 in-24 EXT thread.