The B&B SUMNER Hi Heavy Duty Fold-A-Jack with V-Head (Model 3900) is engineered to provide robust and stable support for heavy-duty pipework in demanding industrial and fabrication environments. This pipe jack features a rugged folding-leg steel construction, designed to accommodate significant load capacities up to 2,500 lbs (1,135 kg), ensuring paramount operational safety and efficiency. All B&B SUMNER pipe jacks and pipe stands are rigorously third-party tested and rated with at least a 2:1 safety ratio, making them among the strongest and most durable products on the market. This model is equipped with an oversized 10-inch V-head, specifically designed for increased safety and efficient handling of pipes. It boasts oversized square tube legs and braces, which contribute to its exceptional durability and stability. The industry-leading 1 1/2-inch (1.5-inch) ACME rod, combined with a quick lock washer, allows for easy and precise height adjustment. An increased width stance and square tube bracing further enhance stability and rigidity, while a safety washer can be locked onto the base for increased operator safety. The Hi Heavy Duty Fold-A-Jack is suitable for supporting pipe diameters up to 12 inches (300 mm). B&B SUMNER also offers an extensive range of head options to suit any pipe fabrication application. SPECIFICATIONS: • Manufacturer Catalog Number: 3900 • Load Capacity: 2,500 lbs / 1,135 kg • Safety Rating: Third-party tested with at least a 2:1 safety ratio • Head Type: Oversized 10-inch V-head • Construction: Rugged folding-leg steel with oversized square tube legs and braces • ACME Rod: 1 1/2-inch (1.5-inch) ACME rod with quick lock washer height adjustment • Pipe Diameter Capacity: Up to 12 inches / 300 mm • Shipping Dimensions: 24 inches (Length) x 21 inches (Width) x 29 inches (Height) • Shipping Weight: 26 pounds