Color, bright silver and white, ten years as new, solid without coating It is not easy to break, the hardness of the bearing steel ball also improves its toughness in the process of use. Suitable for bicycles, casters, drawer slides, door locks and many other applications Products utilising steel balls, such as ball bearings, turntables, drawer slides, castors and door locks; for example, for making key rings or adding weight to DIY projects, Manufacturer: TBDdsd