MOSECYOU Double Door Locking Device, French Door Lock Security Barricade, Keyed Extra Door Lock for Doors with Double Handles/Knobs/Levers, All Metal Construction, Safety U-Shaped Bar Prevent Kick Ins

All-Metal Construction: Made of die-cast aluminum alloy, offering superior durability and load-bearing capacity compared to traditional plastic version. It effectively prevents door handle manipulation (to stop unauthorized entry/exit) and resists forced kicks from the outside. Applicable to both outswing & inswing French double doors.

Dual Locking Mechanisms - Two locking modes for flexible security - Full Lock: Requires a key to unlock (maximum security). Quick Lock: Simply slide the knob to lock/unlock without a key (convenience use). Two locking methods to meet your different security needs.

Adjustable Design: Features an adjustable sliding lock bar to fit door handles at different spacings. Compatible with standard French double-door with round door knobs, straight lever door handles. Note: For inward-curving door handles, please check product images for compatibility reference.

Storage Pouch Included: A waterproof storage bag is included for easy organization. It can also be used to hang the device on the door handle or door stop for quick access.

U-Bracket Design: The 1-1/2" opening accommodates the neck of most double-door knobs/levers for secure locking. Also compatible with tubular handles under 1-1/2" diameter, including: barn doors, gate, double-door refrigerators.

keyed double door lock