Keep everyone out with this special deadbolt has a thumbturn on the inside and nothing on the outside of the door. When thrown from inside the door there is no outside access to the door. Used in tornado shelters, security rooms or to add additional security to an occupied space.
Adjustable backset latch for 2 3/8" and 2 3/4"
ADA compliant thumbturn
Heavy duty saw-resistant bolt with spinning hardened steel pin inside for additional protection