Made of CNC aluminum alloy, high precision, light weight, frosted texture, beautiful. The hollow design ensures that the product has sufficient structural strength and stability, and the product weight is the lightest, effectively reducing the error caused by the gantry's own weight and the deformation of the gantry, and effectively reducing the weight of the whole machine. There are notches at both ends, which are fully compatible with the official gantry design. There are press-fit rivet nuts, and the threaded holes for the gantry linear guide rail installation have many threads, which are stable to install. Name: Hollow gantry for SV08 Processing technology: CNC Colour:Black Material:Aluminum Alloy Package Contents: 1 x Hollow gantry Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.