DIMENSIONS: * Width: 2" * Stem: 3/4" long with a 3/8" diameter. * Thread Size: 16MATERIAL: * Wheel & Hub: PlasticCAPACITY: * 330 lbs per kit (when unit is not moving). * 82.5 lbs per casterCOLOR: BlackFEATURES: * Stem Type: ThreadedINCLUDES: * Four swivel casters with brake.