MARSHALL STAMPING Extend-O-Column AC379/3791 Round Column, 7 ft 9 in to 8 ft 1 in

3 in OD 11 ga (0.120 in wall). 4 in adjustment. Cold rolled steel screw. Turning bar provided with each post. Flow-coated inside and out with red corrosion-resistant paint. Heavy-duty cap and base plates slotted. Holes to fit steel or wood beams. Embossed lugs grip posts firmly to avoid slipping. All parts are welded or wired together.Product DetailsManufacturer: MARSHALL STAMPINGManufacturer's Part Number: AC379/3791Show me more Jack Posts & ColumnsProduct FeaturesFlow-coated inside and out with red corrosion-resistant paintProduct Specifications Adjustment Range 7 ft 9 in to 8 ft 1 in Base Plate Material Steel Base Plate Size 3-1/2 x 6 in Color Red Handle Material Hardwood Pipe Diameter 3 in Pipe Material Steel Safe Weight Capacity 15,300 lb Top Plate Material Steel Top Plate Size 4 x 8 in Type Adjustable