Feature●Set Contents: Automatic punch x 1, center punch tip x 2●How to Use: A small dimple used to mark the center of the point guide the tip of the drill. This is not unique to professionals and is perfect for around the house drilling●Durability: The tip of this automatic center punch is made of high strength and durable high-speed steel. It is ideal for drilling aluminum, copper, wood boards, etc●Safety Tool: It is also an excellent car storage tool for breaking windows in an emergency●Service: Our store includes a monthly manufacturer warranty and if there are any problems about the product, please feel free to contact us by email. We will reply you within 24 hoursDescription