This 3D printer leveling kit is made of metal and silicone, wear-resistant and strong, . Professional and practical design with beautiful appearance, craftsmanship, reasonable design, and can be widely used in most 3D printers. Features -Color:Blue -Material:Metal, silicone -Size:5.90X5.90X0.80cm/2.32X2.32X0.31in -Feature anti wear and tear on the , and less clogging when printing chunky filaments. -Comes with silicone aluminum, nuts and screws and spring, bright colors make happily. -This leveling kit for 3d printer is simple and easy to install, let your work simple and pleasant. -Rust and corrosion resistance, powerful and twists tightly, and . -Put screws into the holes in the of the , and install the springs at the same time. Package list: 20 x springs 20 x screws 20 x nuts 20 x 18mm silicone leveling 5 x 16mm silicone leveling column