Palmkupplungs

Coupling head / Trailer brake coupling /Palm Coupling /Glad Hand: (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) useto connectthe air brake system of the heavy truck ,semi-trailer ,full trailer ,tractor and so on (4) Available Size : M22*1.5 ,M16*1.5 ,1/2 BSP,we canalso make accordance with your require . (5) Alailable type : Germany design ,auto type , normal type Welcome to visit our factory , dear all . Thank you .