MUL-T-LOCK MT5+ Cylinder for SCHLAGE-ARROW Knob & Lever Deadbolts From a UL437 Listed Cylinder Optional Backsets 1 3 Alarm Lock-ET-YIC/26D 5020 Knob Passage Set Core Option:KA - Sargent Fixed Core LA Keyway Keyed Alike Comes with 2 Change Keys per Lock.

From a UL437 Listed Cylinder to a strong latch to Bolt Bearing Mechanism the Hercules Deadbolt will stop almost any attempt at forced entry

Part #8 on the exploded view diagram

25 x Internal plug pin 4

and a drill / ballistic resistant hardplate

Cylinder Mechanism: Mul-t-lock unique

MUL T LOCK MT5+ Cylinder for SCHLAGE ARROW Knob & Lever Deadbolts From a UL437 Listed Cylinder Optional Backsets 1 3 Alarm Lock ET YIC 26D 5020 Knob Passage Set Core Option:KA Sargent Fixed Core LA Keyway Keyed Alike Comes with 2 Change Keys per Lock. From a UL437 Listed Cylinder to a strong latch to Bolt Bearing Mechanism the Hercules Deadbolt will stop almost any attempt at forced entry Part #8 on the exploded view diagram