3M Disc Pad Holders have a center hole with internal threads?choose the thread size that matches the external thread size of your right angle grinder. T-shaped hooks securely hold a surface conditioning disc and provide quick and easy disc attachment, removal, and re-attachment. The hook-and-loop feature enables the disc to be used and re-used for the extent of the abrasive life. Discs are sold separately.
Our Scotch-Brite surface conditioning discs and light grinding/blending products (sold separately) deburr, clean, blend, and finish a wide variety of materials. Using surface conditioning products with a 3M disc pad holder generates finishes suitable for paint.

Dynabrade 78049 1/2" W x 24" L Coarse NWN DynaBrite Belt, 10/pack
Dynabrade 82561 3/4" W x 18" L 60 Grit Ceramic DynaCut Belt, 50/pack
Dynabrade 64470 Housing/Label Assy -Model 58460
Dynabrade 79135 3/4" W x 20-1/2" L 80 Grit DynaCut Premium Ceramic Belt, 50/pack 
