6pcs Slider Rails Linear Guide Block Set Smoothly Strong Bearing Accurate Placement of Materials for Linear Motion Feature: 1. Wide Application: This linear motion kit is widely used in fields requiring transmission control and positioning accuracy, including wind power generation, solar energy equipment, new energy equipment, high-speed railway equipment, electronic equipment, CNC machine tools, woodworking machinery , handling and transport machines, etc.2. Simple Replacement: The linear guide rail is replaceable and the slider block, guide rail, can be changed separately to re-establish accurate guidance.3. Strong Bearing Capacity: This linear guide rail and slide lock combination is made of premium alloy steel and can support heavy loads.4. Centering ability: This linear motion kit can make the mu;m level accurate with automatic centering mechanism.5. Package Included: The package includes 2 linear guide rails and 4 slider blocks, a perfect replacement for your old and broken parts for better performance. Specification: Item Type: Guide Rail Slide Lock Kit Material: Alloy Steel, Aluminum Alloy Application: Widely used in various industrial fields , such as machine tools, construction machinery, robots, speed reducers, steel, metallurgy, textiles, mining, printing, aerospace and so on. Package List: 2 x Guide Rail 4 x Slide Lock How to use: Used after installed on the appropriate equipment.