GREAT VALUE: The large set includes a heavy-duty rivet gun and 100 rivets in 4 sizes- 25 x 2.4mm, 25 x 3.2mm, 25 x 4.0mm and 25 x 4.8mm rivets. All of which comes in a quality portable plastic storage case HIGH QUALITY: The body of the tool is made from thick and durable steel to provide premium strength and long-lasting durability. The ergonomic handle is coated in rubber to provide extra-grip and to ensure reliable non-slip use. MULTIPLE SIZES: The tool has 4 interchangeable nut head sizes to allow for varying sizes of pop rivets. The heads can be swapped over quickly and easily using the built-in head wrench that is stored neatly in the handle. MULTI-PURPOSE: The varying sizes of rivets allow the tool to be used for various tasks including automotive and industrial repair, modifications and manufacturing, garden and general maintenance tasks including shelves, doors, kitchen appliances and furniture VERSATILE: The set can be used on various materials including metal, wood, canvas and plastics and is ideal for securing layers varying from 2 to 3mm thick