Stem Caster Swivel Caster with Brake 180 lb Load Rating 0 to 299 lb 4 7/8 in Wheel Dia Nylon Wheel/Tread Material 5 7/16 in Mounting Height Plain 1/2 In.-13 x 1 1/2 in Caster Stem Size Threaded Nylon Caster Frame Material No Finish Frame Finish Yes Non-Marking 2 Number of Wheels