General Purpose Friction-Ring Stem Caster Swivel Caster 75 lb Load Rating 0 to 299 lb 2 in Wheel Dia 3/4 in Wheel Width Thermoplastic Rubber Wheel/Tread Material 2 1/2 in Mounting Height Plain 7/16 in x 1-29/32 in Caster Stem Size Friction Ring Steel Caster Frame Material Zinc Plated Frame Finish Yes Non-Marking 1 Number of Wheels