Deluxe Flange Mount Swivel Caster, Inch, For Profile Type Double, Wheel Diameter 4 in, Caster Mounting Type Plate, Includes Brakes Yes, Swivel, Zinc-Plated, Overall Height 5 1/8 in, Polyurethane; Steel, 10 Series, 15 Series, Includes Fasteners No, Load Capacity 250 lb, Mounting Hole Diameter 21/64 in, Fastener Mounting Type Drop In, Adjustable Yes, Black, Compatible Brand and Series 80/20, 10 Series, 80/20, 15 Series