Attach this mandrel to an electric motor to make a HIGH QUALITY, low cost work station for various sanding, polishing and buffing operations. This ball bearing double-end mandrel (model 4224) has two high-quality precision grade die-cast ball bearing pillow blocks. Will run wheels up to 1" thick. Use with flap wheels, wire brushes, buffing and grinding wheels having a 1/2" arbor hole. The keyless chuck can be mounted on the right hand end to allow use of various accessories such as sanding drums, mounted points, etc. Pulley diameter 2", shaft diameter is 5/8" threaded 1/2"- 20 Right and left hand, 12" overall. Unused, in original box, with operating instructions. Note the seller is in Metchosin; item still available if ad posted.