The video shows a person holding a wooden block with a hole in the center. The person is pointing to the hole and the edges of the block. The person is also using a ruler to measure the block. The block is made of light brown wood and has a smooth surface. The hole in the center is round and appears to be drilled. The ruler is silver and has black markings. The person's hands are visible, and they are wearing a ring on their left hand. The background is white and plain.