Test Ball Plug, Air Connection Gender Male, Air Connection Size 1/8 in, Air Connection Type Tire Valve, Body Surface Style Textured, Bypass Connection Size 1 1/2 in, Bypass Connection Type NPT, Bypass Thread Gender Female, Deflated Diameter 4.5 in, Deflated Length 7 in, For Maximum Pipe Inside Diameter 6.25 in, For Maximum Pipe Size 6 in, For Minimum Pipe Inside Diameter 4.5 in, Head Tether Connection Eyebolt, Inflated Length Not Applicable, Maximum Back Pressure (Air) 13 psi