Commercial Door Closer in Duronotic with Adjustable Spring Tension - Sizes 2-5The Global Door Controls TC201 commercial door closer comes with an adjustable spring tension in sizes 2 through 5 and in a duronotic finish. The closer recommended for use on all aluminum store front doors, wood or hollow metal commercial applications. For doors weighing up to 255 lbs. Grade 1 certified, ANSI BHMA A156. 4 Aluminum alloy body 2 independent valves control sweep and latch closing speeds Supplied with both wood and machine screws Non