Features: 100% brand new and high quality High Quality Material: Made of high quality metal , ecofriendly and stable, firm and durable. 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. The torque of nuts is large, making it easier to fine tune the hot bed. Application: Good performance, convenient and practical, suitable for home and professional use. Lightweight Size: Portable and small size, easy to store and carry, bring you convenience. Package Includes: 4x 3d Printer Leveling and Screwing the Red Nut 4x 3d Printer Leveling Yellow Spring 8x25mm 2x 3d Printer 0.4mm Copper Nozzle, Outer Diameter 6mm 1.75 Consumables 2x 4-m6 Pneumatic Connector (blue) 2x E 3d V6 Quick Connector (black Bottom) 2x 3d Printer Mk8 Heating Aluminum Block Silicone Sleeve (black) Specifications: Material: Aluminum Color: As the Picture Shows Net Weight: 200g/0.44lbs note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.