Test Ball Plug, Air Connection Gender Male, Air Connection Size 1/4 in, Air Connection Type Tire Valve, Body Surface Style Textured, Bypass Connection Size 3 in, Bypass Connection Type NPT, Bypass Thread Gender Female, Deflated Diameter 8.75 in, Deflated Length 11.75 in, For Maximum Pipe Inside Diameter 10.25 in, For Maximum Pipe Size 10 in, For Minimum Pipe Inside Diameter 9 in, Head Tether Connection Eyebolt, Inflated Length Not Applicable, Maximum Back Pressure (Air) 13 psi