Friction-Ring Stem Caster Swivel Caster 125 lb Load Rating 0 to 299 lb 3 in Wheel Dia 1 in Wheel Width Polyolefin Wheel/Tread Material 3 5/8 in Mounting Height Plain 7/16 in x 1-3/8 in Caster Stem Size Friction Ring Steel Caster Frame Material Zinc Plated Frame Finish Yes Non-Marking 1 Number of Wheels