EXTRA SECURITY greatly increases security on all doors and window systems,
EASY INSTALLATION screws into existing installation to supplement existing locking devices; will suit all types of doors and window systems; can be fitted on open-in or open-out doors and windows.
FEATURES provides reinforced security whilst being easy to operate, just a twist of the jammer arm will lock or release the door/window. Can also be locked in the closed position with a key. Made from high quality cast zinc construction for strength and durable.
FIXTURES AND FITTINGS all fixtures and fittings included along with a single key. (Screws not provided)