Versatile applications: Linear guides and bearing mechanisms operate smoothly without jamming, offering enhanced positioning accuracy; for optical experiments and precision testing. Service: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day. High-load capacity and stable structure: Thickened T-shaped lead screw combined with an aluminum alloy base ensures strong load-bearing capacity and reliable support for heavy loads. Smooth and effortless operate: The rotary handwheel design with a low friction coefficient minimizes adjustment resistance, allowing for easy lifting and positioning. and rust-resistant lead screw: The T-shaped lead screw assembly features high surface hardness, resistant to rust and wear, ensuring consistent performance over time.Anti-rotation locking mechanism: Designed with anti-rotation fixing parts and a locking device to securely maintain position after adjustment, preventing load instability.