In the video, a man is seen holding a glass object in his hands. He is wearing glasses and a black shirt with the word "TESTED" written on it. The glass object appears to be a small tube with a circular end. The man is holding the tube up to the camera, showing it from different angles. He then proceeds to unscrew the circular end of the tube, revealing a hollow interior. The man then screws the end back on, demonstrating how it fits together. The background of the video is a cluttered workshop with various tools and objects scattered around.