ITEM NAME:Set Of 4 Hand Leveling Nut With Hot Bed Die Springs For Description: Upgraded Aluminum Hand Twist Level Nut. These red aluminum nuts are upgraded replacement part for Ender 3/3 Pro/3 X, 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, CR 20. Metal nut is more powerful and will twist more tightly than plastic nuts. The torque of these nuts is large, making it easier to fine tune the hot bed. Upgraded aluminum hand twist level nut makes hot bed more stable and print platform leveling easier. Package Includes: 4Pcs Red Aluminum Screw Nut 4Pcs Yellow Die Spring SKU: DMO0013680068029817.Upgraded aluminum hand twist level nut makes hot bed more stable and print platform leveling easier. The torque of these nuts is large, making it easier to fine tune the hot bed. 4Pcs Red Aluminum Screw Nut.