Interlock PRO-Latch Design, TRU-Latch spring loaded sash lock trigger mechanism for double-hung windows.
Mechanism sold each, assorted styles of covers sold separately.

Features
* Patent-pending trigger mechanism specifically designed for double-hung window applications
* True indication with visual detent for maximum security
* Multiple fixing locations available
* Hurricane rated in impact-certified applications
* Robust dual hooks for superior FER resistance
* Surface mounted or recessed into profile
* Patented cover designs

Specifications
* +/- 2.032 mm (0.080") of misalignment tolerance in all directions
* +/- 2.032 mm (0.080") - +/-4.064 mm (0.160") of lateral adjustment depending on keeper design
* Passes all required FER testing requirements for sliding and hung windows
* Designed for Dade County impact window applications
* Has exceeded 145 kg (320 lbs) per lock in a pull test
* Endurance tested to 36,000 operating cycles
* Minimum 1,000 hours Neutral Salt Spray resistance

Materials & Finishes
* Chassis is die cast Zinc Alloy 3 with Interlock's proprietary pre-treatment process
* Polymer components are UV stabilized composite
* Stainless steel springs
* Composite covers available in a variety of colors to match profile
* Metal covers available in several powder coated and architectural finishes
* Custom colors and finishes available (minimum order quantities and matching process required)