General Purpose Threaded Stem Caster Swivel Caster 120 lb Load Rating 0 to 299 lb 3 in Wheel Dia 7/8 in Wheel Width Polyurethane Wheel/Tread Material 3 1/2 in Mounting Height Plain 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