This is a Neco Concealed Overhead Transom Door Closer. The closer is designed to be concealed within the transom header bar of the door. It provides controlled closing of a single or double action aluminium door or doors.
built into the transom door closer include dual closing speed to allow flexibility in closing; three levels of spring strengths and 90o hold open facility. The transom closer comes complete with its own fixing pack and comprehensive fixing instructions. It includes the arms and the pivots as well as all other fittings.
– Full instructions provided.