* This 9-inch steel tool punches clean lines with ease, making ideal for a variety of projects. * Choose from 6 popular punch sizes: 2, 2.5, 3, 3.5, 4 and 4.5mm, which are clearly marked for quick reference. * Simply rotate the wheel clockwise to the size you need and squeeze. * The tapered metal heads are sharp and drill through your material with ease. * The spring-loaded handle means less pressure needed when working, which reduces wear and tear on your hands. Additionally, the ergonomic handle is comfortable to hold that helps aid with sore hands often associated with repetitive motion. * Another great detail of this tool is the lock feature.