For door weight to 270 lbs., use (3) 0519
For door weight to 360 lbs., use (4) 0519
Non-handed, full mortise
UL listed for fire doors on 3 hour "A" label, and 20 minute wood doors
BHMA/ANSI C06021/3520 (modified)
90 degree max. door swing
For low voltage application only
28 Gauge