Features Compatible with Ender 3, Ender 3 V2, and Ender 3 Pro, offering support for a print size of 220x220x250mm. Features aluminum alloy blocks and 36.5cm single rods for enhanced Z axes stability, ensuring precise and stable 3D printing. Effectively addresses Z axes jitter in aluminum profile 3D printers, resulting in improved printing quality and accuracy. Utilizes corrosion-resistant stainless steel materials, providing durability, mechanical strength, and resistance to corrosion. Includes a complete set of accessories, such as screws, nuts, and 2 types of wrenches, for convenient installation. Specification: Item Type: Supporting Rod Set Color: Black Product Material: Aluminum alloy, stainless steel Pull Rod Length: Approx. 36.5cm / 14.4in Applicable Models: For Ender 3, for Ender 3 V2, for Ender 3 Pro and other similar structure models, the print size is approx. 220 x 220 x 250mm / 8.66 x 8.66 x 9.84in Package List: 2 x Pull Rod 4 x Connector 16 x Screw 12 x Nut 1 x Hex Wrench 1 x Wrench 1 x User Manual Package List 2 x Pull Rod 4 x Connector 16 x Screw 12 x Nut 1 x Hex Wrench 1 x Wrench 1 x User Manual