1: According to the factory specifications,perfect match for the car. 2: Own different test machines to design exact parameter for our products.All switches were tested for performance. 3: Made by high quality material, lightweight, anti-rust, colorfast and durable. 4: Aftermarket product with premium quality. 5: Stable performance, high reliability,suitable for replacing your broken one. Manufacturer Part Number: 4H1837879, 4H1837879B With: Fit for A6/S6 2011-2016 Fit for A6 Allroad 2013-2016 Fit for A7 Sportback 2011-2016 Fit for A8/S8 2010-2016 Fit for RS6 2013-2016 Fit for RS7 2014-2016 Colour:black Material:plastic Package Contents: 1 * Front Left Door Handle Key Hole Cover Note: Only Fit For Left Hand Drive . Unpainted, with silver bight trim. Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.