Features: 1.ALUMINUM HAND TWIST LEVELING NUT: The upgraded red aluminum hand twist leveling nut is beautiful in appearance and easy to use 2.REPLACEMENT PARTS FOR 3D PRINTER: Original upgrade replacement parts for Ender 3/3 Pro/3 X, for Ender 5/5 Plus/5 Pro, for CR‑10, for CR‑10 V2, for CR‑10 Max, for CR 10, for CR‑10 Mini, for CR‑10S, for CR 10S Pro, for CR ‑10 Plus, for CR‑X, for CR 20 3.LAST MUCH LONGER THAN PLASTIC NUTS: Made of good quality aluminum, possess good strength and good corrosion resistance, last much longer than plastic nuts 4.TWIST TIGHTER: Metal nuts are more powerful than plastic nuts and will twist tighter. These nuts have a large torsion, easier to fine tune the hot bed 5.MAKE HOT BED SURFACE FLATTER, HARDER AND MORE ACCURATE: The upgraded bed surface spring make the hot bed surface flatter, harder and more accurate Specification Item Type: Extruder Leveling Wheel Kit Material: Aluminum alloy Color: Red Suitable for Ender 3/3 Pro/3 X, for Ender 5/5 Plus/5 Pro, for CR-10, for CR-10 V2, for CR-10 Max, for CR 10, for CR-10 Mini, for CR-10S, for CR 10S Pro, for CR -10 Plus, for CR-X, for CR 20 Package List 1 x CR10 Space Gray Fixed Plate1 x CR10 Space Gray Handle1 x Spring1 x Bearing1 x Pneumatic Connector Buckle1 x Pneumatic Connector1 x 40 Teeth Brass Extrusion Wheel1 x M3 Flat Head Screw3 x M3 Round Head Screw1 x Spring Elastic Sleeve1 x Screw Sheath1 x M4 Round Head Screw1 x M4 Cup Head Screw1 x M3 Cup Head Screw1 x Screw Washer4 x For CR10 Leveling Wheel4 x Yellow Spring