Total-Locking Bolt-In Stem Caster with Round Stems for Scaffolding Swivel Caster with Total Lock 150 lb Load Rating 0 to 299 lb 5 in Wheel Dia 1 1/4 in Wheel Width Rubber Wheel/Tread Material 6 1/16 in Mounting Height Delrin 1 in x 2-1/2 in Caster Stem Size Round Steel Caster Frame Material Zinc Plated Frame Finish No Non-Marking 1 Number of Wheels