The Alcoa Valuerivet V4 is a pneumatic general purpose rivet gun that sets 3/32"-1/4" diameter rivets in all materials including structural and split rivets. This gun features heavy-duty construction and includes a catching chamber for rivet pins. Comes with 3/32", 1/8", 5/32", 6/16" and 1/4" nosepieces. Recommended hose pressure is 85-95 PSI.