Features Small and Lightweight: This linear rail and block are compact and lightweight, making them ideal for small equipment, ensuring ease of installation and handling. 4-Point Design: The 4-point design enables the rail to bear load from every direction, providing exceptional strength and high accuracy, ensuring reliable and linear motion. Ball Retainer Design: Designed with a ball retainer, allowing for interchangeability in small precision applications, ensuring smooth and consistent linear motion. Convenient Lubrication System: The block features a lubrication system with an easily accessible oil inlet on the side, simplifying the process of lubrication maintenance. Versatile Applications: Widely used in automatic equipment, precision measuring equipment, and various machines requiring precision linear movement, providing versatile functionality across different applications. Features: 1、This linear rail and block are small in size and lightweight, especially suitable for small equipments. 2、Adopting 4-point design, it can bear load from every direction, and has good strength and high accuracy. 3、Designed with ball retainer, which allows interchangeability in the case of small precision. 4、Block has lubrication system; lubrication oil can be easily put into the oil inlet on the side. 5、Widely used for automatic equipment, precision measuring equipment, and many other machines that need precision linear movement. Specification: Features: This linear rail and block are small in size and lightweight, especially suitable for small equipments. Adopting 4-point design, it can bear load from every direction, and has good strength and high accuracy. Designed with ball retainer, which allows interchangeability in the case of small precision. Block has lubrication system; lubrication oil can be easily put into the oil inlet on the side. Widely used for automatic equipment, precision measuring equipment, and many other machines that need precision linear movement. Specification: Model: MGN12(linear rail), MGN12C(slide block) Type: Slide rail Slide Track: Linear rail Rail Length: 550mm / 21.7in Rail Width: 12mm / 0.5in Material: Bearing steel Block Fixation Method: Locked Weight: 432g / 15.2oz (approx.) Package List: 1 * Linear Guide Rail 2 * Linear Guide Blocks Note: Please allow small size error due to manual measurement. Thanks for your understanding. Package List