... ; jaw/ 55-60HRC 3) size:8-48" 4) packing stillson pipe wrench1) Size: 8", 10", 12", 14", 18", 24", 36", ... nameProduction Line CapacityActual Units Produced(Previous Year)Aluminum Pipe Wrench,rigid style,steel pipe clamps423,496 PCS per month4,024,642 ... TesterGP-504A14.0AcceptableMetallographic Specimen Inlaying MachineXQ-116.0Acceptable Stillson Pipe Wrench steel pipe clamps high quality hand tools