"The Fairbanks Rigid Steel V-Groove Caster has grey powder-coated forks. 2 5/8in. to 3in. x 3in. to 3 5/8in. bolt hole spacing. Top plate size 4in. x 4 1/2in. U.S.A. Wheel Width in. 2, Capacity lbs. 1,200, Mount Height in. 9 1/2, Foot Brake No, Top Plate Dimensions L x W in. 4 1/2 x 4, Casters qty. 1, Wheel Diameter in. 8, Material Type Steel, Bolt Hole Spacing 3-3 5/8 x 2 5/8-3, Wheel Type V groove/semi steel, Overall Height in. 9 1/2, Caster Type Rigid, Finish Type Gray. V-grove 7/8in.W x 7/16in.D One piece fork assures less failure and longer life Durable epoxy powder-coat finish Rugged semi-steel V-groove wheel 1200 lbs. capacity."