Hook-and-Loop Sanding Disc Abrasive Mount Type Hook and Loop Abrasive Mounting Quick Change System Not Applicable Backup Pad Shape Round Density Medium Number of Vacuum Holes 8 Color Not Applicable Overall Width 5 in Overall Diameter 5 in Product Type Disc Backup Pad Compatible with Manufacturer Model Number DWE6421 DWE6423 Compatible Face Plate Diameter (Maximum) Not Applicable Compatible Face Plate Diameter (Minimum) Not Applicable