These punch tools are made from selected alloy steel and are designed for a variety of applications. They have a knurled body with a square striking head, which allows for a secure grip and precise strikes. The set includes three sizes: 1/16", 3/32", and 1/8", which allows for a range of punching tasks. The punches are approximately 4 inches (100mm) in length, making them easy to handle and maneuver. These punch tools are ideal for a wide range of tasks, including creating holes in metal, plastic, and other materials, as well as for driving out pins and other fasteners. They are a reliable and essential tool for any workshop or garage.