ATS Tandem C-Squeezer incorporates two pistons to deliver twice the force of a standard squeezer at the same air pressure. It's lightweight, compact, and efficient design is modeled after the industry standard Chicago Pneumatic 0214-C squeezer. The parts are completely interchangeable, and it will accept any jaws and accessories compatible with the 0214-C. With enough force to squeeze up to 3/16" solid aluminum, or 5/32" mild steel rivets, this riveter will easily fit most of your riveting needs without breaking your budget.