NSF-Listed Sanitary Friction-Ring Stem Caster Swivel Caster with Brake 120 lb Load Rating 0 to 299 lb 3 in Wheel Dia 13/16 in Wheel Width Polyurethane Wheel/Tread Material 3 1/2 in Mounting Height Plain 7/16 in x 7/8 in Caster Stem Size Friction Ring Steel Caster Frame Material Zinc Plated Frame Finish Yes Non-Marking 1 Number of Wheels