(1).Material:cast iron,aluminium
(2).It is with black rubber seal in it,to reinforce the safety of the air brake system,

(1).Material:cast iron,aluminium

(2).It is with black rubber seal in it,to reinforce the safety of the air brake system,

it is easy to use and fix.

(3).Use to connect the air brake system of the heavy truck,semi-trailer,full trailer,tractor etc.

(4).Available type:auto type,normal type.

(5). Available size:M16,M22,we can also make accordance wity your require.