2- Material - Constructed from chrome steel, is a good choice for reducing maintenance costs.
3- Application- Widely used in bearing balls, rotating platforms, sliding mechanisms, rolling wheels, and locking mechanisms for doors; also suitable for DIY projects like crafting and many other applications.
4- Durable Use -This product possesses exceptional hardness, ensuring resistance to deformation and long-lasting durability.
5- Take Notice Of - Please refer to the picture and choose the right size before purchase.