"Vestil round fork extensions are ideal for moving large rolls of material. To install, insert loop at the tip of the fork and slide it up at a 45 angle. Then lay it down over the fork. U.S.A. Load Capacity lbs. 4,000, Product Style Round style, Extension Length in. 63, Extension Width in. 4 1/2, Fits Forks W x H in. 4 x 2, Overall Height in. 5, Fork Thickness in. 2. Transport large rolls of material with these specialty fork extensions Fabricated of steel with durable powder-coat finish Designed to fit 4 in. or 5 in. forks that are up to 2 in. thick Quick on/off design with a locking bar to keep the fork extension in place OSHA regulations require that extensions are no more than 150 of the existing fork length e.g., 48in. existing forks, the fork extension should not exceed 72in. Sold as a pair Maximum uniform capacity is 4,000 lbs. evenly distributed per pair"