Do it Hooded Ball Swivel Plate Caster features a bright brass hood that protects your clothing and other items from getting tangled in the caster ball. Designed for use on all hard surface floors, this caster is i for office chairs, carts, and tables. It securely attaches to furniture with a 1/2" by 2-1/4" plate, supporting up to 80 pounds. Each package includes two casters, making it a convenient choice for your furniture mobility needs. Model Number: 227676