3/16 in. and 1/4 in. Heavy-Duty Rivet GunThe Sunex SX1819T 1 4 heavy duty rivet gun is built to be powerful with 3,960 ft. lbs. of pulling traction power. It sets all conventional, standard, structural blind rivets, monobolts, and T rivets up to and including 1 4 Dia. in all materials. The Sunex SX1819T comes with nose pieces in 3 16 and 1 4 sizes that are conveniently stored underneath the base of the gun. Features a pulling traction power of 3960 ft. lbs. Sets all conventional, standard