Features: Upgrade 3D printers such as creality 3D Ender3 to dual z-axis to improve printer stability. During the printing process, double Z axis synchronous lifting is conducive to better printing accuracy and printing stability. And supporting rod set to form a stable triangle bracket, make the whole machine become firm. Prevent the printer shaking when the Z axis to a certain height and affect the printing quality Made of premium aluminum and stainless steel, more durable and provides longer service time. Any problem, please contact our store without hesitation. Honor to serve you. Specification: Color: Black Main Material: Aluminum, Stainless Steel Fits for: Compatible with Creality Ender 3 3D Printer Package Size: 39*14.5*15cm/15.4*5.7*6in Package Weight: 1650g/58.2oz Packing List: 1 * Dual Z Axis Upgrade Kit 1 * Ender 3 Pull Rod Kit