1-1/4 standard mortise cylinder w/ straight cam (L583-477), Includes 3/8 blocking ring and 2 cut keys (E keyway), For use with exit device trim,
1-1/4 Medeco 10-0500-26D High Security Mortise Cylinder Satin Chrome
The Schlage 20-090 is a 1 1/2 full-size interchangeable core (FSIC) mortise housing with B520-378 cam applications for use with Adams Rite 4070 Deadlocks. Core is not included.
Schlage 20-090 Mortise Cylinder Housing - 1 1/2, FSIC Less Core, Adams Rite 4070 Cam -622 Matte Black 20090622