The image shows a set of mechanical components, specifically a timing chain and a gear. The timing chain is made up of two metal gears, one larger and one smaller, connected by a metal ring. The larger gear is on the left side of the image, while the smaller gear is in the center. The smaller gear has a small hole in the middle, which is likely where the timing chain should be attached to the gear. There are also two small metal bolts on the right side, which may be used to secure the chain in place. The components are arranged on a white surface, possibly a table or countertop.