Test Ball Plug, Air Connection Gender Female, Air Connection Size 2 in, Air Connection Type Tire Valve, Body Surface Style Textured, Bypass Connection Size 1/8 in, Bypass Connection Type NPT, Bypass Thread Gender Female, Deflated Diameter 1.75 in, Deflated Length 6 in, For Maximum Pipe Inside Diameter 2.25 in, For Maximum Pipe Size 2 in, For Minimum Pipe Inside Diameter 1.88 in, Head Tether Connection Ring and Chain, Inflated Length Not Applicable, Maximum Back Pressure (Air) 22 psi