Single-Wheel Grip-Neck Stem Caster, Swivel Caster, 75 lb Load Rating, 0 to 299 lb, 2 in Wheel Dia., 7/8 in Wheel Width, Rubber Wheel/Tread Material, 2 1/2 in Mounting Height, Precision Ball, 5/16 in x 1-1/2 in Caster Stem Size, Grip Neck, Steel Caster...