The classroom function has a cylinder on the outside of the door so teachers cannot be locked out from the inside of the classroom. From the inside， the door is always unlocked so students can't get locked in. Constructed with a robust cylindrical locking mechanism， this lock is designed for heavy use doors. It is extremely robust mechanically and has a durable finish. This lock is also versatile and can fit doors from 1-3/8 in. to 2 in. T. It is UL listed for 3 hour doors. It meets or exceeds ANSI Grade 2 standards and is ADA compliant.
Equipped with 4-5/8" solid zinc diecast levers
ANSI Grade 2: Tested to exceed 500，000 cycles
UL Listed: 3 Hour fire rated for added protection and meeting building requirements
ADA Compliant: Meets ADA requirements， ensuring accessibility to all disabled persons
Included 6-Pin SC4 Cylinder， brass plug and 2 keys for added security and piece of mind
Door Type: Wood or metal doors 1-3/8" to 2" thick
Non-Handed: Can be applied to left or right handed doors
Fixed cylindrical latch fits 2-3/4" backset
Full lifetime warranty
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