Overview Reviews Product Description This patented backing pad is the heart of the QUICK-STEP® system. It is made of industrial strength nylon that is guaranteed to retain its strength and flexibility even at elevated temperatures. Disc changes take only seconds. Walter Catalog Product Videos Custom Field Diameter 4" Arbor 5/8"-11 Product Reviews Write a Review Write a Review × Walter Quick-Step® 4 x 5/8"-11 Backing Pad 07Q044 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *