Features: Powerful Air Riveter - Delivers strong pulling force up to 3968 lbs, consistently drives stainless steel/aluminum/iron rivets without jamming, and requires air pressure at between 87 and 116 psi, it is smooth and effortless to use. Wide Range - Comes with different sizes of nosepieces 3/32-inch(2.4mm), 1/8-inch(3.2mm), 5/32-inch(4.0mm), and 3/16-inch(4.8mm). Built to Last - The rivet gun is made from high-strength aviation aluminum alloy and is very durable, which equipped with bumping rubber covering on the bottom, sliencer air outlet and hardened nosepieces for long-lasting use. Ease of Use - Plastic cup can catch and hold a lot of the spent mandrel without having to empty the container frequently. You can also operate it without the plastic catcher on the back if you need to get into tight places. Lighweight Construction - The handheld air rivet gun won’t wear out your arms, which don’t weigh more than 3.5 pounds, makes your riveting work effortless and efficient. Wide Application - Widely used in contruction projects, transportation industries, automotive industries, aerospace manufacturing, and more. Note: *Read the user manual carefully before use. *Hydraulic oil not included.