"Double-ball race swivels. Exclusive Lockweld construction. 1 3/4in. x 2 7/8in. to 3in. bolt hole spacing. Polyurethane Wheels. Capacity (lbs.): 300, Wheel Size (in.): 4 x 1 1/4, Mount Height (in.): 5, Bolt Hole Spacing: 1 3/4 x 2 7/8 to 3, Wheel Type: Swivel, Material: Polyurethane, Finish Type: Zinc plated, Includes (qty.): 1"
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