BLV Guide Rail Mod for Creality CR10 upgrade Kit

From the shop's description

This BLV guide rail upgrade for Creality CR10 series 3D printer’s X and Z-axis. Features: 1. Especially developed for Creality CR10 series 3D printers, including CR10, CR10S, CR10 V2, and CR10 Pro 3D printers. 2. More stable and accurate motion for X and Z-axis with MGN 12H linear rails 3. CNC processed for higher toughness and hardness Specifications: Z-axis Linear Rail: MGN 12H / 470mm X-axis Linear Rail: MGN 12H / 380mm Cushion Block: acrylic / 40*7*10mm Z-axis Limit Plate: acrylic / 25*25mm X-axis Extruder Support: aluminum N.W: 1.68KG Package Includes: 470mm linear rail *2 380mm linear rail *1 Cushion block *2 Limit plate *1 Extruder support *1 Screws & wrench set *1