<ul><li>Highest QualityGuaranteed to perfectly fit, and due to the high-quality metal material, it can be used for a very long time.</li><li>Better ToolsWe provide two hex wrenches and two screwdrivers, allowing you to hold the hex wrench steady with one hand and loosen with the T8 screwdriver in the other hand. If the hinge screws are too tight, use two hex wrenches to loosen them.</li><li>Warm TipThe installation manual is NOT including in the package.Please searching on Youtube and follow the video step by step.</li><li>What you Get1 x Left Hinge, 1 x Right Hinge, 2 x 4.5 inch Screwdriver (Torx T8, PH000), 2 x T8 Hex Wrenches.</li><li>Compatible modelCompatible with QC35/QC35 II/QC45/QC25 Headphones.</li></ul><br><br>Warm Tip: The installation manual is NOT including in the package.Please searching on Youtube and follow the video step by step.

iParto Left + Right Set Metal Hinge Swivel Shaft Replacement Compatible with QC35 Bose QuietComfort 35 II/QC35 I/QC45/QC25 Headphones with Tools Black