... .1 tensioner, black plastic with galvanized steel nut 3.1 threaded rod,1927mm long, steel 1. Name: door straightening system2. A ... plastic2) 1 tensioner, black plastic with galvanized steel nut3) 1 threaded rod,1927mm long, steel4) 1 trim strip, 1852mm long, unfinished ... the door alignment fittings are as follows:1). Cut the threaded rod and the aluminium trim strip upon required dimension.2). ...