General Purpose Threaded Stem Caster Swivel Caster with Brake 175 lb Load Rating 0 to 299 lb 3 in Wheel Dia 1 1/4 in Wheel Width Rubber Wheel/Tread Material 4 1/8 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 No Non-Marking 1 Number of Wheels