Mounting Base, Maximum Load Capacity 1,000 lb, Includes Mounting Template, Material Steel, Mount Hole Diameter 0.53 in, Overall Height 15.5 in, Overall Width 11.5 in, Overall Depth 11.5 in, Base Type Pedestal, For Mast Diameter 3.05 in, For Maximum Span Not Applicable, Compatible with Grainger Part Number 48RD48, 48RD49, 48RD50, 54YM61, 54YM62, 54YM63, Compatible with Manufacturer Part Number OZ1000DAV-1000, OZ1000DAV-ACW, OZ1000DAV-DCW, OZCF1200DAV-1000, OZCF1200DAV-ACW, OZCF1200DAV-DCW