A complete ready-to-use kit features the ATS Tandem Alligator Squeezer, plus a generous 17 piece assortment of dimple dies and squeezer sets (p/n SKT17). The powerful ATS-214A Tandem Alligator 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-A squeezer, and will work with all yokes and accessories compatible with the 0214-A. With enough force to squeeze up to 3/16" solid aluminum, or mild steel rivets, this riveter will easily fit most of your riveting needs without breaking your budget.