Hook-and-Loop Disc Backup Pad, Abrasive Mount Type Hook and Loop, Abrasive Mounting Quick Change System Not Applicable, Connector Size 5/16 In. -24, Connector Type Threaded Shaft, Backup Pad Shape Round, Device Material Urethane, Density Medium, Maximum Operating Speed 13, 000 RPM, Number of Vacuum Holes 5, Overall Width 5 in, Overall Diameter 5 in, Overall Thickness 3/8 in, Product Type Disc Backup Pad, Features Short Nap Hook Type. This item has been restricted from sale in the following state (s): []