Features: _x000D_This linear rail and block are small in size and lightweight, especially suitable for small equipment. _x000D_Adopting 4-point contact design, it can bear load from every direction, and has good strength and high accuracy. _x000D_Designed with ball retainer, which allows interchangeability in the case of small precision. _x000D_Block has lubrication system; lubrication oil can be easily put into the oil inlet on the side. _x000D_Widely used for automatic equipment, precision measuring equipment, and many other machines that need precision linear movement. _x000D__x000D__x000D_Specification: _x000D_Model: MGN9H_x000D_Slide Track: Linear rail _x000D_Rail Length: 100mm / 3.94in _x000D_Rail Width: 9mm / 0.35in _x000D_Block Width: 20mm / 0.79in_x000D_Block Thickness: 8mm / 0.31in_x000D_Overall Thickness: 10mm / 0.39in_x000D__x000D_Material: Bearing steel_x000D__x000D_Weight: 64g / 2.3oz (approx.) _x000D__x000D__x000D_Package list: _x000D_1 * Linear Guide Rail _x000D_1 * Linear Guide Block 1This linear rail and block are small in size and lightweight, especially suitable for small equipment. 2Adopting 4-point contact design, it can bear load from every direction, and has good strength and high accuracy. 3Designed with ball retainer, which allows interchangeability in the case of small precision. 4Block has lubrication system; lubrication oil can be easily put into the oil inlet on the side. 5Widely used for automatic equipment, precision measuring equipment, and many other machines that need precision linear movement.