About this item Identical Replacement - No need to worry about size, color, or construction, as this hinge is exactly like the original. Cost-Effective Solution - By ordering this replacement hinge, you can save significantly on repairs or avoid the expense of purchasing new headphones. Perfect Fit and Durability - This hinge is an exact match for your headphones, providing great value and lasting replacements for broken or scratched hinges. Compatibility - This replacement part is compatible with Studio3 Wireless (Model A1914) and Studio Pro (Model A2924) Noise Cancelling Headphones. Installation Options - 1. Cut the backside bar of the old hinge to remove it and cut the backside bar of the new hinge to install it (5-8 minutes). 2. Remove the earpad, speaker house, and panel to take off the old hinge. Once the new hinge is installed, reassemble the panel, speaker, and earpad (40 minutes). Dimensions: 4.96 x 2.72 x 0.43 inches.