Latch, Bar, and Catch

The image titled "Latch, Bar, and Catch" by unknown artist depicts three pieces of metal hardware. The piece on the left is a long, thin piece of metal with a hook-like end on the left and a flat end on the right. The middle piece is a long, thin rectangle with a mushroom-shaped top. The piece on the right is a dark-colored, curved metal object with a pointed top and a flat piece extending from its center. The curved piece on the right resembles a hook or a catch. All three pieces are displayed against a plain white background. The image is in black and white.