Effectively solve the jitter of the Z-axis of the DIY 3D printer built by the aluminum profile and improve the printing effect.Adapt to the hot 3D printer.Both ends are connected by fixed metal blocks to enhance stability and enhance the experience. When the lower end is installed, it can be adjusted back and compatible withth to adjust the proper position, which is more conducive to installation.All-aluminum profile metal structure, with high-quality metal fasteners, to ensure product quality, to ensure the stability of your 3D printer structure.Name: 3D Printer Tie KitLength: 27.5cmWeight: 1.2kgPacking size: 36x14.5x6cmApplicable models: Coreyity3d CR-10/10S/10S4; Alfawise U20; TEVO Tornado; AnetE12 and other similar models with print sizes of 300 x 300 x 400/400 x 400 x 400Color: black + silverMaterial: aluminum profilePackage Contents:4 x levers2 set x Related screw fittingsOnly the above package content, other products are not included.Note: Light shooting 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.