Alpha Professional makes top quality stone fabrication tools. They are a proven name in the stone fabrication industry. Durable backer with velcro epoxied to the face to hold your polishing pads in place. These 5" backers are rigid for polishing straight edges.

* Holds 5" pads
* 5/8"-11 threaded arbor to fit all contractors grade grinders
* Top quality

Don't buy inferior products that fall apart when you actually use them! Why do that when you can get the best for less?