Features Effectively solve the Z‑axes jitter of the DIY 3D printer built with aluminum profiles, improve the stability of the printer and the printing effect, escort the structural stability of the equipment. The stable triangle structure effectively prevents the vibration of the Z‑axes printing to a relatively high height, and improves the printing effect. The two ends are connected by metal fixing blocks to enhance stability, provide a good user experience. Made of high‑quality aluminum profile, sturdy and durable, have a long service time. Suitable for Ender3 Pro/V2/CR‑10/10S, easy to install, with wrench included in the package list, easy for installation. Specification:Item Type: Support Rod Set Material: Aluminum profile Applicable Model: For Ender 3 series models Purpose: Have a stable triangular structure, effectively prevent the vibration of the Z axes printing to a relatively high level, and improve the effect. Package List:2 x Pull Rod2 x Connector A2 x Connector B4 x Swivel Screw14 x Screw13 x Screw Nut1 x Open End Wrench1 x Hex Wrench Note:This product needs to be paired with the corresponding series of models before it can be used. Package List 2 x Pull Rod 2 x Connector A 2 x Connector B 4 x Swivel Screw 14 x Screw 13 x Screw Nut 1 x Open End Wrench 1 x Hex Wrench