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 4-1/2" Arbor 5/8"-11 Product Reviews Write a Review Write a Review × Walter Quick-Step® 4-1/2 x 5/8"-11 Backing Pad 07Q049 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *