Features High Frictional Resistance: This guide shaft support has high frictional resistance, which can obtain high precise rotation in smoothly motion, solving the problem when used with linear circular rails Practical: This linear motion rail support has a strong bearing capacity, can bear heavy weight, and comes with screw, the installation is easy and quick Wear Resistant and Durable: This linear motion rail bracket is made of aluminum alloy, which has good wear resistance, not easy to rust, has long service life Application Equipment: This rail guide support is widely used in precise equipment or digital 3D coordinate measuring equipment in special machinery industry Application Industry: This linear motion support is widely used for plastic machinery, industrial robot, fitness equipment, printer, woodworking machinery, firecracker, etc. Specification: Item Type: Rail Guide Support Material: Aluminum Alloy External Treatment: Sandblasting, ordinary oxidation Package List:4 x Rail Guide Support Note:Be sure to be familiar with the installation steps before installation, speed up the installation and shorten the time to prevent too much dust. Package List 4 x Rail Guide Support