Hyde Radial Sander 9" 225mm Suits Acme Threaded Pole 09977 The Hyde 09977 9" Radial Sander, 225mm is engineered to allow pros to sand large areas with greater ease, both in the sanding process and in quickly replacing abrasive discs. It's the lightest on the market, and it's ideal for preparing previously painted walls for repainting, as well as sanding drywall joint compound for a smoother finish. It easily attaches to any Acme threaded pole and features a pivoting hinge that prevents flipping. This no-flip design will help prevent wall damage.