Pin punches are made of 60Si2Mn alloy steel with spray painting treatment, which enhances corrosion resistance and rust prevention while ensuring durability(HRC55-58). Reliable performance ensures no damage or scratching of workpieces, great for fine woodworking and automotive manufacturing tasks, and can also be used to drive pins, watches, bracelets, etc.Pin punches feature clear dimension markings on the handle, allowing you to select the right tool or determine the required size quickly. Easy to operate: simply place the punch on the mark on the workpiece and strike it with a hammer.