General Purpose Threaded Stem Caster Swivel Caster 210 lb Load Rating 0 to 299 lb 3 in Wheel Dia 1 1/4 in Wheel Width Polyurethane Wheel/Tread Material 3 13/16 in Mounting Height Delrin 1/2 In.-13 x 1-1/2 in Caster Stem Size Threaded Steel Caster Frame Material Zinc Plated Frame Finish Yes Non-Marking 1 Number of Wheels