Experience quick and easy disc attachment, removal, and re-attachment with the 3M Disc Pad Holder 923, 3 in 1/4 in Shank. This holder features a center hole with internal threads to match the external thread size of your right angle grinder and T-shaped hooks to securely hold surface conditioning discs. With the hook-and-loop feature, the discs can be reused for the extent of their abrasive life. Deburr, clean, blend, and finish a wide variety of materials - perfect for creating finishes suitable for paint.