2Pcs Mortice Door Bolt Set with Star Key AntiTheft Concealed Security Lock Durable Copper Build

Product overview A practical 2piece mortice door bolt set with a standard star key, designed to add concealed locking points to doors and windows. These mortice rack bolts fit near the and bottom of a door to increase security without changing the door appearance. Key benefits Extra concealed locking points: Adds an additional locking point at the head and/or sill of the door to reduce forced entry risk and improve overall door security. Durable material: Made from copper for good resistance to rust and corrosion, providing longterm durability in normal indoor and covered outdoor locations. Smooth, simple operation: Supplied star key operates the mortice bolts smoothly for easy locking and unlocking. Lowvisibility installation: Designed to blend with door designs and complement modern interior and exterior fittings. Features Material: Copper Bolt design: Mortice rack bolt with tubular well for secure engagement Operation: Standard star key included for straightforward use Installation: Intended for installation near the and bottom of doors; suitable for corridor and residential doors as well as commercial interior doors Sizes and dimensions Small (S) lock cylinder inner length: about 3.50 cm / 1.38 inch Large (L) lock cylinder inner length: about 6.00 cm / 2.36 inch Available in two sizes to match different door thicknesses and fitting requirements Please allow 1 to 2 cm variation due to manual measurement Package contents 2 pieces mortice door bolts 1 star key for both bolts Typical applications Front or back residential doors: Fit one bolt at the and one at the bottom for added locking points without affecting the primary lock Internal corridor or bedroom doors: Use to secure access points in shared buildings or offices Commercial interior doors: Install on office or storage room doors to provide an additional concealed lock that integrates with existing fittings Notes Check measurements before installation to ensure correct size selection Color shown may vary slightly from actual product due to monitor differences