This 400 Series swivel w/ brake Light Duty caster with a Zinc finish features a 4" diameter wheel made of dyna-tred tpu and Precision bearings. It's 4-7/8" tall, has a 300 lb load capacity and a 3-7/16" swivel radius. It's mounted using a threaded stem mount with mount dimensions: 1/2"-13x1-1/2" Long. This caster also includes a brake.