Ergonomic Design: The ergonomic thickened TPR cover handle provides a more comfortable hold, and the higher leverage ratio makes the rivet gun more labor-saving. The safety lock makes it easy to store and carry. Simple To Use: The pop rivet gun kit comes with 4PCs tool-free interchangeable nosepieces 2.4mm(3/32"), 3.2mm(1/8"), 4mm(5/32), and 4.8mm(3/16") for easy replacement and maintenance, keeping riveting work more efficient. Each rivet head is equipped with 30PCs aluminum rivets. Sturdy Material: The rivet tool is made of high-quality lightweight aluminum alloy die-casting, which is strong and durable enough to keep stable operations, and last a long lifetime. Wide Application: This professional manual riveting tool set is perfect for metal work, automotive repair, HVAC repair, canvas projects, and other applications. Please share with us any questions about Libraton Rivet Gun Kit, it is our pleasure to assist you. Package Contents: This riveter set includes 1*Rivet Gun, 4*Drill Bits, 1*Removal Nozzle, and 120*Aluminum Rivets (30pcs each size). The removal nozzle is for taking out the accidentally stuck rivet rod (which normally happens when the size of the rivet is different from the nozzle).