Made by metal and silicone material, safe and , which could be used for a very long time. The 3D printer kit has wide compatible and can meet your multiple needs, practical and useful. The wonderful detail design will ensure its high performance as an excellent 3D printer leveling accessory. Features -Color:Assorted Color -Material:Metal, silicone -Size:6.00X6.00X0.90cm/2.36X2.36X0.35in -With low friction, more responsiveness, less retraction, more accurate prints, less slippage. -These silicone leveling for 3D printer help to reduce any vibration. -This leveling kit for 3d printer is simple and easy to install, let your work simple and pleasant. -The leveling kit makes the more stable and the printing platform is easier to level. -The torque of is large, making it easier to the hot bed, convenient installation, easy to level. Package list: 4 x screws 4 x nuts 4 x silicone leveling