Description: 【Fitment】: Full metal CNC hollow gantry for 3D Printer. 【High quality material】: CNC hollow gantry is made of high quality CNC aluminum alloy processing, high precision, lightweight, frosted surface texture, beautiful and durable. 【Hollow Out Design】: Under the condition of ensuring that the product has sufficient structural strength and stability, the weight of the product is the lightest, which can effectively reduce the error caused by the deformation of the gantry caused by the self weight of the gantry, and effectively reduce the weight of the whole machine. 【Features】: CNC hollow gantry notches are designed at both ends, fully compatible with the official gantry design, just add two fixing blocks to complete the replacement and installation, simple and convenient. 【Easy Installation】: CNC hollow gantry designed with threaded holes for gantry linear guide rail installation, no need to install nuts, light weight and easy installation. Specification: Material: Aluminum Alloy Product Size: Length 38cm/14.96inch Package Includes: 1Set Full Metal CNC Hollow Gantry Note: Please allow slightly errors due to manual measurement and different monitors.