With our hand twist levelling nuts, your print machine will work longer and better The metal nut of our levelling nut is more powerful and will twist more tightly than plastic nuts These upgraded Aluminum Hand Twist Level Nut are original upgraded replacement part for Ender 3/3 Pro/3 V2/3X, Ender 5/5 Plus/ 5 Pro, CR-10, CR-10 V2, CR-10 Max, CR-10 S4, CR 10, CR-10 S5, CR-10 Mini, CR-10S, CR 10S Pro,CR-10 Plus, CR-X, CR 20 The torque of these hand twist levelling nuts is large, making it easier to fine tune the hot bed The hand twist levelling nut is made by aluminum, last much longer your stock plastic nuts Description These upgraded Aluminum Hand Twist Level Nut are original upgraded replacement part for Ender 3/3 Pro/3 V2/3X, Ender 5/5 Plus/ 5 Pro, CR-10, CR-10 V2, CR-10 Max, CR-10 S4, CR 10, CR-10 S5, CR-10 Mini, CR-10S, CR 10S Pro,CR-10 Plus, CR-X, CR 20. The springs are around 25mm long, which is longer than ender 3 , ender 3 pro and ender 3 v2 springs. You can use a tool to cut it to be shorter if you really like this product or adjust the hot bed to be higher to fit the springs. Features Ender 3 hand twist levelling nut -Color: Red. -Material: Aluminum. -Size: : Nut: 6 cm/2.4 inch in diameter, 0.9 cm/0.35 inch in thickness. Spring: 2.5 cm/1 inch in length, 0.8 cm/0.3 inch in diameter. Note: 1. The springs are around 25mm long, which is longer than ender 3 , ender 3 pro and ender 3 v2 springs. You can use a tool to cut it to be shorter if you really like this product or adjust the hot bed to be higher to fit the springs. 2. Please allow 1-3 cm error due to manual measurement. Pls make sure you do not mind before you bid. 3. Due to the difference between different screens, the picture may not reflect the actual color of the item. Thank you! Package Including 4 * Hand Twist Leveling Nut 4 * Hot Bed Spring