This chrome plated institutional caster provides a combination of value and performance that is unmatched by competitors. Using a dual ball raceway for easy swiveling, a heavy guage steel top plate and rig for durability, corrosion resistant chrome finish, and full thread guards, this caster will stand the test of time. This rigid caster features a 5" Thermoplastic (TPR) Rubber on Polypropylene Plastic wheel with an Integral Precision Ball Bearing for smooth rolling. The Thermoplastic (TPR) Rubber tread helps quiet operation and is resistant to debris pickup. The Total Lock Brake provides both wheel locking and swivel locking, making the cart stay in one spot. These are perfect for use as medical casters on medical equipment.