Wrench 타입 = Chain Wrench Handle 타입 = Metal U.S Standard GGG-W-651, 타입 I Class B UNE 16 555. Heavy Duty Chain Pipe Wrench (372). Bahco Heavy duty chain pipe wrench with gears on both side for working in either direction. Features ; Benefits: Gears on both sides Strong Steel chain Jaws and handles forged from hardened steel Grey epoxy coated handles