The UK's most popular adjustable power size EN 2-4 overhead door closer. Internally tested to EN 1154 to over 1 million cycles for durability and reliability. Easy to fit and adjust to achieve low 'opening force' requirements for ease of access. Certified, UKCA and CE marked for door mount pull, transom mount push and parallel arm push side applications. Suitable for doors up to 1100mm wide and 80kg. Capable of meeting the requirements for BS8300. Adjustable closing speed & latch action. Certified built-in adjustable backcheck to prevent damage to the door and frame.