PSA Disc Backup Pad, Abrasive Mount Type Adhesive-Backed, Abrasive Mounting Quick Change System Not Applicable, Connector Size 5/16 In.-24, Connector Type Threaded Shaft, Backup Pad Shape Round, Device Material Foam, Density Medium, Maximum Operating Speed 15,000 RPM, Number of Vacuum Holes Non-Vacuum, Overall Width 6 in, Overall Diameter 6 in, Overall Thickness 1/2 in, Product Type Disc Backup Pad, Features Tapered