Stem Caster Swivel Caster 165 lb Load Rating 0 to 299 lb 3 in Wheel Dia Thermoplastic Elastomer Wheel/Tread Material 3 1/4 in Mounting Height Plain 1/2 In.-13 x 1 in Caster Stem Size Threaded Nylon Caster Frame Material No Finish Frame Finish Yes Non-Marking 2 Number of Wheels