... , Japanese style.... 2. forged or pressed 3. Q235 British type pressed and forged double coupler 1. Material: Q235 ... forged double coupler weight: 1.05kg,British type pressed double coupler weight: 0.82kg 5. Standards: BS1139, EN74 / EN74B 6. ... standards, we provide Japanese/Korean style JIS standard, Australian style AS1576 standard couplers, Germany, American, Brazilian style couplers.....etc British ...