Rigid Plate Caster Load Rating 790 lb. Wheel Dia 10 In. Wheel Width 2-1/2 In. Overall Height 11-1/2 In. Wheel Material Rubber Inside Bolt Hole Spacing 2-7/16 x 4-15/16 In. Outside Bolt Hole Spacing 3-3/8 x 5-1/4 In. Plate Type A Wheel Color Black Core Material Cast Iron Wheel Bearings Precision Ball Plate Size 4-1/2 x 6-1/2 In. Includes Spanner Bushing Durometer 70 Shore A Core Color Red Mounting Bolt Dia 1/2 In. Frame Material Steel Plate Thickness 0.25 In.