For use with Dual Action/Orbital polishers with a 5/16’ diametre attachment. Distributes pressure evenly for smoother sanding and finishing. Precisely tuned outer edges for ideal disc contouring over flat and curved surfaces. Quick and easy disc changes with micro hook and loop attachment system. Meguiar’s® 5" Soft Buff™ DA Backing Plate is designed to distribute pressure evenly and consistently for optimum defect removal and finishing. Meguiar's DA Backing Plate also features a rotation indicator marking that allows you to recognize backing plate rotation for ideal results. Disc changes are quick and easy with a micro hook and loop attachment system. Can be used with DA polishers with a 5/16" diameter shaft.