1 / 2 In (2). This item is in the category Business & Industrial\Light Equipment & Tools\Air Tools\Riveters. Mac Tools Ah750b Long Barrel Air Hammer Ahbk5sp Punch. 1 / 2, 3 / 8 (2). 3 / 8-18 Npt (2). Aircraft Rivet Tools Bucking bars, Sets, Clecos, Rivnuts 25+ Sets 12+ Bars 80+ Cleco's Box of blind rivets.