Comparison : Item # S10057, Double Male National Pipe Thread (NPT) 1/2 Inch (in) Diameter Locking Ball Valve
Item # S11157, Double Male National Pipe Thread (NPT) 3/4 Inch (in) Diameter Locking Ball Valve
Item # S12257, Double Male National Pipe Thread (NPT) 1 Inch (in) Diameter Locking Ball Valve
Item # S13357, Double Male National Pipe Thread (NPT) 1 1/4 Inch (in) Diameter Locking Ball Valve
Item # S14457, Double Male National Pipe Thread (NPT) 1 1/2 Inch (in) Diameter Locking Ball Valve