Features and Benefits:3/8" thickness urethane, medium density, 5/16"-24 male threadSanding pads are perfectly weight-MATted to Dynabrade tools, for achieving consistent swirl free finishesHigh quality backup pad; weight MATted for smooth running and minimal tool vibrationIdeal for PSA-type disc adhesion; remove abrasive adhesive paper liner and press abrasive to vinyl-face sanding padQuick disc removalOn Jun-04-14 at 05:37:15 PDT, seller added the following inforMATtion:Every Buyerr gets a MyStoreRewards invitation for cash back