Features Upgraded Dual Z Structure - Experience smoother operation and enhanced performance, ensuring your 3D prints achieve optimal precision and quality High-Quality Components - Features all-aluminum couplings and original 42 stepper motors for unmatched stability and reliability during printing Durable Metal Construction - Crafted from high-quality metal material, this kit is hard, wear-resistant, and designed for a longer service life, reducing the need for frequent replacements Compact and Lightweight Design - Easy to install and handle, this upgrade kit brings convenience and significantly improves your 3D printing experience Comprehensive Installation Support - Includes all necessary accessories, eliminating extra costs and ensuring a hassle-free setup for your 3D printer upgrade Features: 1、Upgraded dual z structure, provides smooth , and better performance. 2、High？quality accessories, using all？aluminum coupling and original 42 stepper motor, stable . 3、Made of high？quality metal material, hard, wear？resistant and longer service life. 4、Small, light in weight, easy to install, bring you more convenience, and improving good experience. 5、With other accessories, you don't need to spend money to buy it, which provides more convenience for installation. Specification: Condition: 100% Item Type: Dual Z Axis Upgrade Kit Material: Metal Plate, Aluminium Alloy Color: As the Picture Shown Function: Upgrade for ry type 3D printer such as for 3DEnder3/3S to dual Z axis to improve printer stability. Package List: 1 x Motor 2 x Z Screw Bearing Holder 2 x Power Supply Holder 1 x Coupling 1 x Fixed Sheet Meta 1 x Motor Wire 1 x Motor Mount 1 x Screw Rod 14 x Screw 9 x Nut 2 x Hex Wrench 1 x Hexagonal Key 1 x Screwdriver Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List 1 x Motor 2 x Z Screw Bearing Holder 2 x Power Supply Holder 1 x Coupling 1 x Fixed Sheet Meta 1 x Motor Wire 1 x Motor Mount 1 x Screw Rod 14 x Screw 9 x Nut 2 x Hex Wrench 1 x Hexagonal Key 1 x Screwdriver