The 5M10X63647 Bottom Cover for Lenovo ThinkPad X1 Nano Gen 1 is a black replacement part designed specifically for the ThinkPad X1 Nano Gen 1 model. Made by Lenovo in China, this bottom case is compatible with the ThinkPad X1 Nano Gen 1 laptop and is part of the Lenovo ThinkPad product line. It provides a secure and protective cover for the bottom of the laptop, ensuring a proper fit and maintaining the sleek design of the device. This bottom cover is a reliable and quality component for replacing a damaged or missing piece on your Lenovo ThinkPad X1 Nano Gen 1 laptop. Lenovo original part.