-Rugged all-steel construction Durable black wrinkle finishes Nonslip cushioned handle grips -Rivet heads and wrench store in handle Supplied nozzle wrench Suitable for aluminum rivets.This 4 in 1 Hand Riveter comes with four nosepieces: 2.4mm ( 3/32”), 3.2mm ( 1/8”), 4.0mm ( 5/32”), 4.8mm ( 3/16”). The use of a rivet tool is straightforward. Place your rivet into the pre-drilled hole of the material you need to rivet, insert the nail into the rivet gun fully and set.