This professional rivet nut gun is intended for rivet nuts and has 4 interchangeable mandrel kit (M3, M4, M5, M6). It has an anatomical handle for greater clamping force and highly-strength metal body. It has several interchangeable mandrels according to the gauge of the nut. It requires little force due to the length of its levers. It is made from high-quality steel. This tool is perfect for automotive, industrial sectors and special rivets.