OEX1072 Features: * Unique vinyl-face pads have ideal disc adhesion, allows for quick disc removal * Our exclusive single-piece hub design reduces face-run-out to only .002 - .005" * Perfectly weight-mated for use with Dynabrade Random Orbital Sanders, also fits most competitors" models6" Non Vac vinyl face disc pad - medium urethane with 5/16" - 24 Male Thread and is 3/8" thick. * 6"" Pressure Sensitive Adhesion Sanding Pad Warranty: * 1 yr warranty on material and workmanship