The HOWI Medium Threaded Stem Mount Series is designed, tested and proven to be a solution for many mobility needs. Acceptable for use in warehouse, delivery, production or any other application you can think up. RoHS compliant and NSF Listed. Featuring attractive Zinc-plated finish, and full double ball hardened raceways for greater durability and better performance. Hardy 3/8” diameter axles and 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.