This is the stainless steel version of our 75 / 76 Series, with an added upgrade of seals to protect the double ball raceway as well as a zerk grease fitting for maintaining smooth swiveling action. All metal parts of this series are made of 304 stainless steel, especially made for sanitary applications and long service life. Offering exceptional resistance against rust and corrosion and are 100% washable. These casters are commonly used in the following industries: food processing, food service, laboratories, hospitals, institutions, pharmaceutical plants, and other “clean” applications that require casters to be washed down on a frequent basis. (standard casters with seals: are not intended for high temperature applicators. Also, may be ordered without seals on raceway)