KST BRAKE HOSE INC. firmly remember brake parts are the most important safety parts in (motor) vehicle. As a responsible brake parts manufacturer, KST is special in producing HIGH QUALITY brake hose kit parts (including brake hose, end fittings, brake hose assembly and brake accessory). DOT approved in USA. More details at WWW DOT KSTBRAKEHOSE DOT COM. KST BRAKE HOSE NORMAL SIZE: SAE J1401 DOT FMVSS106 AMECA TESTING 3.2mm x 10.5mm 1/8 3.2mm x 12.5mm 1/8 4.76mm x 12.5mm 3/16 KST brake hose INC.