Our Heavy-Duty Plate Mount Series casters outlast and outperform many competitive brands in the market. Made with ¼ inch thick top plates, ¾ inch diameter permanent rivet kingpin, hardened double ball bearing raceways and formed legs. These engineered features add up to equal an unmatched performer and proven solution for the demands of the real world. Acceptable for use in warehouse, delivery, production or any other applications. Attractive Zinc-plated finish, RoHS compliant and NSF listed for food service industry (except with swivel lock, thread guard or metal wheels). Multi-temp grease for use in extreme temperatures. With a variety of size, brake, and wheel options- you will be sure to find the perfect caster for your application.