Lake Country - Dual-Action Hook & Loop Flexible Backing Plate - 5 Inch Diameter MINIMIZES HEAT TRANSFER - The highly durable molded urethane backing plate helps minimize heat transfer from the polisher to the paint. FLEXES TO HUG VEHICLE CURVES - The flexible backing plate allows pads to contour around the vehicles curves, providing a smooth and even finish. PREVENT ACCIDENTAL CONTACT - Our plates our designed with an inch of soft, beveled urethane, so even if you turn the pad onto its side accidentally, youll avoid damage to the paint surface. HOOK AND LOOP FASTENER - Attach the pads you need for the job to this backing plate using the strong and convenient hook and loop fasteners. COMPATIBLE WITH UP TO 7.5 PADS - The 5" flexible backing plate is compatible with up to 7.5 pads. The backing plate feature hook &amp; loop fasteners to secure the pads to the backing plate. The threaded post fits any polisher with a 5/16 diameter.