[FLEXIBLE] The block has a lubricating system; the lubricating oil can be easily fed into the oil inlet on the side. [FLEXIBLE] The block has a lubricating system; the oil oil can be easily fed into the oil inlet on the side. [WIDELY USED] Can be used for Long time, Widely used for automatic equipment, precision measuring equipment and many other machines requiring precision linear motion. [HIGH QUALITY] Adopting 4-point contact design, it can bear load in all directions, and has good strength and high precision.n. [ CONVENIENCE] Designed with a ball retainer, which allows interchangeability in the case of low precision. [LIGHT WEIGHT] This linear rail and block are small in size and light in weight, especially suitable for small equipment.