Global Door Controls Commercial Door Closer in Aluminum - Size 4 Grade 3 certified, ansi/bhma A156.4 Two independent valves control sweep and latch closing speeds Supplied with both wood and machine screws Non-handed Meets ada requirements Non-handed-reversible The compact commercial door closer comes in the size  4 Meets ADA Requirements Grade 3 certified, ANSI/BHMA A156.4 Non-Handed-Reversible Two independent regulating valves control sweep and latch speeds. Spring Tension 4