3M™ Hookit™ Low Profile Finishing Disc Pad 77855, 5 in x 11/16 in 5/16-24 External
Designed for use with 5 inch Hookit™ discs. Pad is made with a soft density foam for better conformability and allows the disc to flex which gives longer abrasive life in loading applications. Use with grade 220 and finer discs. 5/16 in-24 EXT thread.