High Quality:Constructed from high carbon steel, commonly used to make parts that need to withstand friction for long periods of time, featuring rugged all-steel handles and components. The deep knurled surface enhances handling and control for long-lasting durability and quality. Adjustable Tension: The centre punch is equipped with a spring-loaded mechanism and the adjustable design allows the striking force to be changed at any time, making it easy to use on a wide range of materials, making it easier to drill holes without slipping in tight places. Easy to use: they can be operated with one hand without the need for a hammer, and they provide precision and accuracy when marking the centre of the hole, so it is easy to simply centre the starting hole and align it with the tool. Compact and portable: size 5''/13cm, easy to carry and can also be used in emergency situations, such as smashing car windows to escape, is a perfect emergency tool. Package Including: 2 Pack 5 inch Automatic Center Punch, Weight: 0.330693393 Pounds, Manufacturer: Crozgan