NEWTRY Air Hydraulic Double Power Pop Rivet Gun Industry Pneumatic Pop Riveter Heavy Duty Riveting Tool Kit for 1/8,5/32,3/16,1/4

1.Various sizes of the Aluminium, Iron rivet nuts only need this one tool:
Equipped with 4 kinds of gun heads: 1/8-inch(3.2mm), 5/32-inch(4.0mm), 3/16-inch(4.8mm), 1/4-inch(6.4mm).
2.Air pressure + hydraulic pressure, double power, stronger pull force:
Through the design of spring circuit and air circuit and quick oil return, the pulling force is stronger and the working e...