... The pipe benders could be operated manually or by air pump. Features:Model: HHW-12Q:1) Capacity: 12 ton2) Stroke: 210 mm3) Air ... ", 2", 2-1/2", 2"5) Wall thickness of pipe: 2.75-4.5mm6) G.W.: 42 kgs7) Packing ... HHW-16Q:1) Capacity: 16 ton2) Stroke: 240 mm3) Air pressure: 120 psi4) Bending formers supplied: 1/2", 3/4 ... 2", 2", 2-1/2", 3"5) Wall thickness of pipe: 2.75-5mm6) G.W.: 70 kgs7) Packing meas.: ...