XiXi Shop 1The product is made of good-quality aluminum alloy material, durable for a long using time 2This screw support kit is easy to use, highly compatible with the machine, very practical 3The product come with stable connection performance and long service life, helps a lot in work 4Contain complete accessories of spacer, screw and wrench, easy for you to install and use 5Produced with excellent craftsmanship to bring smooth surface, which will not hurt your hands in operate Item Type: 3D Printer Screw Support KitMaterial: Aluminum alloyHow to Use: 1. Push the Y-shaped carriage to the front, and then put the heated one on the back.2. Find a hole in the center of the Y-bracket.3. Place a spacer on top of the hole. The exact position of the fixed gasket will be adjusted in the next step. Package List: 9 x Gasket9 x M3 Screw1 x Wrench