Rich accessory: 4 nozzles of size 3/32inch, 1/8inch, 5/32inch and 3/16inch. They are applied to different sizes of rivets. Easy to install and open: Easily install the power rivet adapters on cordless or corded drills. 2 wrenches can open the head easily when stuck. Convenient and labor-saving: Unlike the traditional riveter, the insert nut is lower noise, more efficient, tasks so easy when connected to a drill, reducing user fatigue. Wide Use: Compact size and weight for industrial fastening areas. Applicable to all types of sheet metal, pipes. Contents: 1 riveter adapter, 2 wrenches, 4 nozzles. Product Features Portable, unique rivet gun. The effect of pulling rivets is quite good, reducing waste, saving space and easy to carry. As long as there is a household 12-36V rechargeable hand drill, it can be installed and used Head pull rivet diameter: 2.4-3.2-4.0-4.8 mm Color as shown Quantity delivered: 1 set