ANSI A156.2, 4000 Series, Grade 1. Grade 1 Cylindrical Ligature Resistant Storeroom Function Lockset. 1-1/4" x 4-7/8" ASA Strike.
TownSteel Ligature Resistant Cylindrical Locks. 1-1/8" x 2-1/4" Dead Latch. For Doors 1-3/4" - 2" Thick.