Folger-Adam 2 Jail Lock

The hookbolt lock is a Folger Adam 30/30D-Series designed for sliding doors, and comes in two styles...a deadlatching slamlatch, which requires no key to lock, and a deadlock hook, which requires manual locking with the key. They are designated as follows:

32	Keyed one side (Deadlatching slamlatch)
36	Keyed two sides (Deadlatching slamlatch)
32D	Keyed one side (deadlock hook)
36D	Keyed two sides (deadlock hook)

The one pictured is a model 32.