High Quality: Libraton heavy-duty rivet gun set includes an aluminum rivet gun, a mini wrench, 25 each of 4 sizes of rivets, and 1 each of 4 sizes of HSS drills. Sturdy Material: The professional riveter has a lightweight aluminum body, with 35Cr-Mo steel claw piece and heat-treated alloy steel structural parts, providing a longer service life. Working Efficiency: The design of the ergonomic handle provides a larger lever ratio, saving 25% of the grip strength. The TPR soft rubber can provide a comfortable grip. Smart Design: The riveting tool kit includes a mini wrench to change the heads. And there are test holes in the wrench that can help you identify the size of the rivets. Please choose the rivets of the same size as the head, as wrong size compatibility may lead to the stuck. A carrying case is included for easy storage. Wide Application: The pop rivet gun has four replaceable heads in sizes 3/32"(2.4mm), 1/8"(3.2mm), 5/32(4mm), and 3/16"(4.8mm) for fixing metals and heavy fabrics. The rivet gun set can be widely used in riveting of construction, automobiles, ships, airplanes, machines, electrical appliances, furniture, etc., Manufacturer: LIBRATON