3M 4" Hook-and-Loop Disc BackuPad, 5/8"-11 Threaded Arbor Hole Back Mount, 13,000 RPM Max. RPM, 1 E

The 3M™ disc pad holder allows easy disc attachment for multi-step projects. A center hole with internal threads lets you 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 reattachment. The hook-and-loop feature enables the disc to be used and reused. Note: Discs are sold separately.