Features:High Quality: High quality alloy steel claw head and thick steel plate punch forging, which make the rivet gun durable and strong.Wide Applications: Perfect for joining all kinds of metal plates and pipes. Construction, repair, or craft making, and it is ideal for automotive, gutter, aviation, railway, furniture, and other common projects.Blackening Design: Carbonized blackening treatment with moisture-proof and rust-proof performance.Heat Treatment: After heat treatment, the alloy puller has strong grip and tight bite, and is hard and not easy to break.Portable: It is very convenient to carry the manual rivet gun out with putting it into your bag or in the big pocket of your work clothes.