Stem Caster Swivel Caster 300 lb Load Rating 300 to 999 lb 2 in Wheel Dia 1 13/16 in Wheel Width Polyolefin Wheel/Tread Material 2 3/4 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