The product is a right side main lift cylinder for Mercedes W207 E350 E400 models, made by Mercedes-Benz in Germany. This black cylinder, with manufacturer part number A2078050107, is designed for easy installation and is a genuine OEM part. It is specifically meant for the rear placement on the vehicle and comes as a single piece. This high-quality cylinder is a perfect fit for Mercedes-Benz enthusiasts looking to replace or upgrade their convertible top components.