© Marine Invest 2011 The Flat Rail is an innovating system developed by our experienced engineers to load out- of-gauge cargo on containerships and present an alternative solution to break-bulk cargo shipment. Flat Rail is certified by Veritas and protected by an International Patent. NEWS: At the  beginning of 2013, a new version of Flat Rail  V2 arrived with a new developped Twislock Each twislock has been tested at 60 tons without any deformation.