Hilti 4-1/2 in. x 5/8-11 in. Threaded Arbor SP Turbo Diamond Cup Wheel for Angle Grinders 2242388 - The Home Depot

The Hilti Long Neck Drywall Sander is faster to finish - long-neck sanders can reduce project time due to the combination of speed, surface finish, and minimal rework so you can get the job done sooner. It is easier to use. than an orbital sanders and are less likely to leave surface marks. When paired with Hilti's mesh net sanding discs, you will experience virtually dust-free sanding which will help prolong the life of the tool, reduce dust exposure and minimize clean up