2- MATERIAL - Constructed from carbon steel, is a good choice for reducing maintenance costs.
3- APPLICATION - Widely used in ball bearings, 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.