- Mul-T-Lock High Security Mortise Cylinder
- UL437 Listed for Pick and Drill Resistance
- Hardened Steel, Anti-Sawing Insert in Bolt
- Field Reversible Handling (Left or Right Handed)
- 2 1/2” or 2 3/4” Backset
Mul-T-Lock's enhanced design mortise locks come with a hardened steel anti-sawing insert in bolt. Available in a variety of sizes and functions with surface-mounted and through-bolted trim.