General Purpose Threaded Stem Caster Swivel Caster with Brake 225 lb Load Rating 0 to 299 lb 4 in Wheel Dia 1 1/4 in Wheel Width Polyolefin Wheel/Tread Material 5 3/8 in Mounting Height Precision Ball 1-1/2 in13 x 1-1/2 in Caster Stem Size Threaded Nylon Caster Frame Material No Finish Frame Finish Yes Non-Marking 1 Number of Wheels