NSF-Listed Sanitary Threaded Stem Caster Swivel Caster 90 lb Load Rating 0 to 299 lb 2 in Wheel Dia 13/16 in Wheel Width Polyurethane Wheel/Tread Material 2 5/8 in Mounting Height Plain 5/16 In.-18 x 1 in Caster Stem Size Threaded Steel Caster Frame Material Zinc Plated Frame Finish Yes Non-Marking 1 Number of Wheels