Invisible hinge model #218 invisible closer is ideally suited for most types of doors 1-3/4 In. to 2 In. thick. The invisible closer gives you a 20 minute fire rated closer that is totally invisible from either side when the door is closed. The closure rate is completely adjustable with an Allen wrench after installation, and does not require removal of the spring closer. Installation can be either inside the door itself or inside the door jamb. Invisible hinges open a full 180° and are a single action hinge.
Full mortise
20 Minute UL fire rating for wood or metal doors
Wood and machine screws are included
Completely concealed when door is closed
Adjustable rate of closure
