Arrow Professional 4 Head Rivet Tool has all steel construction and a comfortable vinyl grip. It also has a spring loaded handle for easy loading, an extended nose for hard reach places, and a handle that locks when not in use. It includes 4 nose pieces for 4 rivet sizes: 3/32", 1/8", 5/32", 3/16" and a wrench. It is a great all-purpose rivet tool for both professional and DIY rivet applications.