Features: aluminum alloy material, more powerful than plastic ones. Upgraded aluminum hand twist level nut makes hot bed more stable and print platform leveling easier. Includes :1X Bowden Tubing Cutter ;4X Aluminum Hand Twist Leveling Nuts; 4X Hot Bed Die Springs;4X M4x35 Screws These red aluminum nuts are original upgraded replacement part for Ender 3/3 Pro/3 X/3 V2, Ender 5/5 Plus/ 5 Pro, CR-10, CR-10 V2, CR-10 Max, CR 10, CR-10 Mini, CR-10S, CR 10S Pro,CR-10 Plus, CR-X/X Pro, CR 20. The torque of these nuts is large, making it easier to fine tune the hot bed, which keeps your printer level without having to level it often.. Specifications: Name:3D Printer Hand Twist Leveling Nuts Kit Leveling Nut Diameter: 60mm Thickness: 7.8mm Screw Type:M4X35 Used for: Ender 3/3 Pro, Ender 5/5 Plus/Pro CR-10/10S/10S Pro 3D Printers Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1X Bowden Tubing Cutter 4X Aluminum Hand Twist Leveling Nuts 4X Hot Bed Die Springs 4X M4x35 Screws