Stem Caster, Swivel Caster, 75 lb Load Rating, 0 to 299 lb, 2 1/2 in Wheel Dia., 7/8 in Wheel Width, Rubber Wheel/Tread Material, 3 3/32 in Mounting Height, Plain, 7/16 in x 1-3/8 in Caster Stem Size, Friction Ring, Steel Caster Frame Material, Nickel Plated Frame Finish, No Non-Marking, 1 Number of Wheels