Mounting Base Maximum Load Capacity 500 lb Includes Mounting Template Material Steel Mount Hole Diameter 0.53 in Overall Height 14.5 in Overall Width 11.5 in Overall Depth Not Applicable Base Type Socket For Mast Diameter 2.93 in For Maximum Span Not Applicable Compatible with Grainger Part Number 55VE56 55VE57 55VE58 Compatible with Manufacturer Part Number OZTP500DAV OZTP500DAV-ACW OZTP500DAV-DCW Color Yellow Finish Zinc Plated