Threaded Stem Caster Swivel Caster 75 lb Load Rating 0 to 299 lb 2 1/2 in Wheel Dia 7/8 in Wheel Width Rubber Wheel/Tread Material 2 1/2 in Mounting Height Plain 3/8 In.-16 x 1-1/2 in Caster Stem Size Threaded Steel Caster Frame Material Nickel Plated Frame Finish No Non-Marking 1 Number of Wheels