Pipe Plug, Bypass Connection Size Not Applicable, Bypass Connection Type Not Applicable, Bypass Thread Gender Not Applicable, For Maximum Pipe Inside Diameter 0.56 in, For Minimum Pipe Inside Diameter 0.5 in, For Pipe Size 1/2 in, Handle Material Galvanized Steel, Included Water Fill Port/Hose Not Included, Maximum Back Pressure (Air) 180 psi, Maximum Back Pressure (Water) 415 ft of head, Overall Height 1.87 in, Padlock Shackle Diameter Not Applicable, Plate Material Galvanized Steel