General Purpose Threaded Stem Caster Swivel Caster 140 lb Load Rating 0 to 299 lb 3 in Wheel Dia 1 in Wheel Width Rubber Wheel/Tread Material 4 19/64 in Mounting Height Precision Ball 1-7/16 in x 7/16 in Caster Stem Size Friction Ring Nylon Caster Frame Material No Finish Frame Finish Yes Non-Marking 1 Number of Wheels