The Performance Tool M661 Heavy Duty Punch/Flange Tool is designed for effortless operation with its 360-degree swivel head, providing easy and efficient access to tight spaces. The lever throttle of the tool offers precise control, ensuring accurate results every time. Its heavy-duty aluminum body and hardened head make it durable and sturdy, able to withstand tough conditions. With the ability to punch, crimp, and flange up to 14-gauge material, it is versatile and ideal for preparing sheet metal for riveting, brazing, and welding. The tool has a punch diameter of 3/16" and flange depth of 1/2", with an average CFM of 4, air pressure of 90 PSI, and hose size of 3/8" ID. Measuring at a compact length of 9.7" and lightweight at 3 lbs, the Performance Tool M661 is easy to handle and store.