Do it Hooded Ball Swivel Stem Caster features a bright brass hood designed to protect your clothing and other objects from getting tangled in the caster ball. I for use on all hard surface floors, this caster is for office chairs, carts, and tables. It attaches securely to furniture with a 5/16" x 1-1/2" stem and supports a load capacity of up to 80 pounds. Each package contains two casters, each with a 2" wheel diameter and a black finish, ensuring both functionality and style. Model Number: 227668