for 1u Long Chassis High Quality and Reliable Rails for Server Rack. Customized Dimensions: Produced according to customer dimensions, model numbers, drawings, or samples. Robust Steel Construction: Made of thickened and robust steel material for high quality and reliability. Linear Friction Guide: Features linear friction guide rails suitable for 1U long chassis installation. Standard 659mm Length: Standard length is 659mm with other sizes available including 456.1mm and 45.81mm. Secure Hook Installation: Design includes hook buckles that lock into cabinet square holes with spring clips. Complete Installation Kit: Includes inner and outer guide rails packed in pearl cotton and outer box. Commercial Application: Designed specifically for commercial server rack applications and 1U chassis. Sample Production Support: Manufacturing capability based on provided samples with required quantity.