3M™ Hookit™ D/F Low Profile Backup Pad 05855, 5 in x 3/8 in
Use with 5 inch diameter Hookit™ dust-free discs. Medium foam density and blunt 15 degree edge for good edge durability. Used for coarse grades and where good leveling is needed. Fits Random Orbital sanders with 5/16-24 internal thread.