5-Pack Disc Pad Holder Adapter with 1/4" Shank Die Grinder Backing Disc...
1pc 2" and 1pc 3" Sanding Disc Pad Holder 1/4" Shank
3M™ 7494 Disc Pad Holder, 2 inch x 1/4 inch shank, 07494
3M 07493 Surface Conditioning Disc Pad Holder
2 Pack 2" Sanding Disc Pad Holder maximum speed : 30,000RPM.
3" Sanding Disc Pad Holder maximum speed : 20,000RPM