Threaded Stem Caster for Shopping Carts Swivel Caster 220 lb Load Rating 0 to 299 lb 5 in Wheel Dia 1 1/4 in Wheel Width Polyurethane Wheel/Tread Material 5 7/8 in Mounting Height Precision Ball 1/2 In.-13 x 1-1/2 in Caster Stem Size Threaded Steel Caster Frame Material Zinc Plated Frame Finish Yes Non-Marking 1 Number of Wheels