Features:Thislinear rail and blockare small in size andlightweight, especially suitable for small equipment.Adopting 4-point contact design, it canbear load from every direction, and has good strength and high accuracy.Designed with ball retainer, which allowsinterchangeability in the case of small precision.Blockhaslubrication system; lubrication oil canbe easily put into the oil inlet on the side.Widely used for automatic equipment,precision measuring equipment, and many other machines that need precisionlinear movement.Specification:Model: LML9H SlideTrack: Linear railRailLength: 200mm / 7.87inRailWidth: 9mm / 0.35inBlock Width: 20mm / 0.79inBlock Thickness: 8mm / 0.31inOverall Thickness: 10mm / 0.39inMaterial: Bearing steelWeight: 100g / 3.5oz (approx.)Package list:1 *Linear Guide Rail 1 * LinearGuideBlock