A set of 4 turned metal rings in a silver machined finish, from a range of bar cut parts over 22. The two smaller rings carry a knurled outer edge, the third is a flat stepped ring with a raised inner collar, and the largest is a thick ring with a fine internal thread. Parts in this group are typically done for "Brass, Hydraulic cylinders, machines etc", and the product mix is a family of parts made in medium volume.