Please note this listing is for 4 PACKS / SETS. All products listed in packs are also available individually, please see our other listings or contact us. Grade 13 Parliament Hinge. Designed for doors which need to fold back on themselves creating the maximum possible opening through a doorway. Traditionally used to allow a door to fully open 180 degrees, back onto a wall. The extra projection allows the door to clear any obstruction - i.e.. an architrave. Certified to BS EN 1935. They have a CE mark and are Certifire tested. comes with a 25 year mechanical guarantee and is Fire door rated. Suitable for all domestic, commercial and industrial environments.Alias ID - bc07603x4