The Novus N-55 Easy rivet gun is a professional and industrial blind rivet tool designed for home and workshop use. This blind rivet tool is made from sturdy aluminum with a steel lever and an extra strong jaw mechanism, engineered for durability and flexibility. The return spring ensures easy ejection of the rivet mandrel, allowing you to use this tool with just one hand. Four integrated holders of different sizes are screwed onto the base, and there is also a built-in key for quick replacement of the holders. This handy tool features an ergonomically designed, lockable handle. The rivet gun is compatible with aluminum, steel, and copper blind rivets with a diameter of up to 5 mm. It is suitable for A2, 4, A3, A4, and A5 aluminum blind rivets, S4, S3 steel blind rivets, and C4 copper blind rivets.