Overview Reviews Product Description Special saucer shaped backing pad with ribbed backing, ensures a continuous stream of air between pad and disc for cool operation and long disc life. The ideal choice for COOLCUT XX® quick-change and XTRACUT® quick-change. Walter Catalog Product Videos Custom Field Diameter 4-1/2" Arbor 5/8"-11 Max RPM 13300 Product Reviews Write a Review Write a Review × Walter 4-1/2 x 5/8"-11 TURBO® Backing Pad Assembly 15M144 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *