This bar fits the following Qidi 3D Printer modelsX Smart 3
X Plus 3X Max 3
Q1Q2Plus 4Max 4The Qidi 3D Printer Upgrade Aluminum Extruder Tension Bar by GLCustoms is a high-quality extruder gear tension bar that is CNC machined from 6061 aluminum. Upgrade your 3D printer with this tension bar to improve functionality and performance for a smoother printing experience. The factory tension bar is plastic that bends from the tension and in some cases even breaks, leading to extrusion issues. Our aluminum tension bar eliminates this problem ensuring consistent trouble free extrusion. GLCustoms proudly manufactures in house in the USA.