Features: Brand new and high quality Aluminum alloy processing, high precision, light weight, frosted surfaces texture, beautiful Using a hollow design, the weight of the product is the lightest while ensuring that the product has sufficient structural strength and stability, effectively reducing the error caused by the deformation of the gantry due to its own weight, and effectively reducing the weight of the entire machine. Both ends are designed with notches, which are fully suitable for official gantry design. You only need to add two fixing block to replace and install it, which is simple and convenient. Designed with threaded holes for gantry linear guide installation, no need to install nuts, reducing weight and making installation easier Specifications: Material: Aluminum alloy Size:330mm/380mm/430mm Package Includes: 1x Hollow Gantry note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.