Test Ball Plug Air Connection Gender Male Air Connection Size 1/4 in Air Connection Type Tire Valve Body Surface Style Smooth Bypass Connection Size Not Applicable Bypass Connection Type Not Applicable Bypass Thread Gender Not Applicable Deflated Diameter 10.5 in Deflated Length 25 in For Maximum Pipe Inside Diameter 18.25 in For Maximum Pipe Size 18 in For Minimum Pipe Inside Diameter 10.75 in For Minimum Pipe Size 12 in Head Tether Connection Bracket Tag