1. Xionglian HSR linear guide, Chinese Brand 2. Xionglian HSR, interchangeable 3. Self Alignment Capability 4. Smooth Movement with Low Noise 5. Standard Length is 3m 6. Corrosion resistant 7. Material: Bearing steel 8. Prompt delivery and competitive price Xionglian Linear guide consists of rail, block, rolling elements, retainer, recirculator, seal etc. By using the rolling elements, such as balls or rollers between the rail and block, the linear guide can achieve high precision linear motion.