... pump pliers 250mm 1.Drop forged 2, size: 5", 6", 8", 10", 12" 3, material: CRV or carbon steel description;water pump ... Pliers, Flat Nose Pliers, Round Nose Plier,Combination PliersSize6", 8" ,10",12", 14",16",18", Drop forge & heat treated, Cutting edge hardness approx ...