Riveter gun: with 4 nozzles of size 3/32, 1/8, 5/32 and 3/16, can apply different sizes of rivets. Easily install motorized rivet adapters on cordless or cordless drills and 2pcs key can open the head in case of lock. Usage: Can handle all those repetitive and difficult fastening jobs involving small screws in tight spaces where it is difficult to see. Function: take a good effect not to waste a rivet, you can finish drilling, pulling rivets and screwing, as long as you have a drill. Product Package: 1x Rivet Adapter, 1 x Auxiliary Handle, 1 x Key Remover, 4 x Rivet Heads.