Bolt-In Stem Caster with Square Stem Swivel Caster 150 lb Load Rating 0 to 299 lb 5 in Wheel Dia 1 in Wheel Width Rubber Wheel/Tread Material 5 13/16 in Mounting Height Plain 3/4 in x 2 in Caster Stem Size Square Steel Caster Frame Material Zinc Plated Frame Finish No Non-Marking 1 Number of Wheels