Dynabrade 51600 - 6" Rotary Sander Polisher - 0-2,000rpm - 0.7hp. M14 Thread. (Priced Per Each). (2 Weeks Delivery). Please order: (04. 3M09552 Yellow Foam. 14mm Female Thread Back-up-Pad - Velcro [Polish MH5 1] to enable you to use the 133mm & 150mm Polishing Pads).