Replacement 6" Dual Action Polisher PRO Backing Plate. Designed specifically to work with Shurhold's Dual Action Polisher PRO. 6" polyurethane backing plate, Type: Buffers & pads. Material: Plastic. Model 3530. Item Dimensions: 6 x 6 x 1 inches. Package Weight: 0.15 Kilograms (approx. 5.29 ounces). UPC: 703485121009. Includes components: Great Product. Warranty: Warranty. Ideal for machine polishing equipment, buffers, and polishing machine backing plates for automotive and marine care. Lightweight construction for efficient buffing and pad support.