Era Double Locking Nightlatch 40mm Finish: Brass Effect Body Brass Cylinder Option:Finish: Brass Effect Body Brass Cylinder Austrian and Venetian blinds Quality Austrian and Venetian blinds Quality products from James Lever of Bolton one part polyurethane foam in a ready to use hand held canister Fire resistant for up to 2 hours in certain joint configurations It expands on application to up to 50 times the can contents and meets the requirements of the test criteria for BS 476 Part 20 preventing the main bolt being retracted by a credit card The inside handle can be deadlocked by an anti clockwise turn of the key from the inside so securing the lock against forced entry The bolt can be held in the withdrawn position (only) with the use of the snib feature This product is ideal for solid and glass panelled doors An ergonomic internal locking handle which offers added security against forced entry Interior & Exterior Material: Zinc Alloy Fixings included 10 year guarantee and warranty The Double Locking Nightlatch is designed to replace most existing front door locks The main lock bolt is 'automatically' deadlocked when the door is closed