Sanding Disc Abrasive Mount Type PSA 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 Color Yellow Overall Length Not Applicable Overall Width Not Applicable Overall Diameter 5 in Overall Thickness Not Applicable Product Type Disc Backup Pad For Use With Mfr Model Number Not Applicable