Super Japan mechanism (midi) can be used in big japon mechanism down cases and gives a speciality to open up without pulling back from wall. The mechanism mounts to profiles and down cases,using the big japon mechanism's connection holes. Just one hole has to be added to under case.The mechanism provides workmanship and margin advantage with the locking bolt sytem that works inside and doesn't require to cut side profile strip.The mechanism is in use for single .double and trible couches.