MUL-T-LOCK offers a wide variety retrofit solutions for existing Knob, Lever, and Deadbolt Locks. Although MUL-T-LOCK's Hercular® Deabolts provide superior protection, some users with limited budgets would like to upgrade existing hardware with MUL-T-LOCK Patented MTL600(Interactive+) Key Control.
Arrow® "E" Series Double Cylinder Deabolts
UL437 Drill and Pick Resistance
MUL-T-LOCK’s Patented Interactive® Key Control System
Limited Mechanical Warranty
- Return for refund within: 30 days
- Return for replacement within: 30 day
- Restocking fee: up to 20% Please contact us to get RMA. All returned products must be in original condition and shipped out within 3 business days after getting RMA.