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 79061 1/2" W x 24" L 60 Grit A/Z DynaCut Belt, 50/pack
Insize ISP-Z3015-LENS100X, 100X lens with half-reflection mirror, 6928640322556
Dynabrade 90924 3" Dia. x 40 Grit A/Z DynaCut Locking-Type (TR), Flap Disc, 10/pack
Dynabrade 56355 3" x 4-1/4" Non-Vacuum Dynabug II Pad, Vinyl-Face
Dynabrade 95756 Speed Control for Extreme Dynorbital Sanders 
