Big Blue Junior BP-54 Riveter (Up to 3/16 all materials)• Big Blue Junior has the power of the large heavy duty riveters in the body of a small one.• This is our full range riveter. This pop rivets gun tool sets 3/32, 1/8, 5/32 and 3/16 rivets in all materials.• Big blue Jr. is ideal for multi-grip rivets and pulls 3/16 Monobolt/Magna-lok structural rivets.• Nose pieces and service wrenches are included.