Product: Door Lock Cylinder Overview This door lock cylinder uses a multiway locking principle with several irregular mechanical elements to help resist drilling and master key opening. The added cylinder guard improves lock reliability and security for everyday use. Please check that your door lock matches the item size before . Key benefits Enhanced security: multiway lock design and antidrilling features reduce the risk of forced entry and unauthorized keying. Increased reliability: mechanical guard improves overall lock performance and longevity. Ready to install: comes with two keys and a mounting screw for straightforward replacement or upgrade. Features and specifications Main material: Metal Color: Gold Tone Weight: 84 g Overall size: 85 x 29 x 15 mm (3.3 in x 1.1 in x 0.6 in) Mounting hole diameter: 4.3 mm (0.17 in) Matching lock diameter: 15 mm (0.6 in) Package contents: 1 x Door Lock Cylinder, 2 x Keys, 1 x Screw Compatibility and fit Designed for door locks with a 15 mm cylinder opening and a 4.3 mm mounting hole. Verify these dimensions against your existing lock before ordering to ensure proper fit and function. Practical applications Home entry doors: a worn or compromised cylinder to restore mechanical security. Office interior doors and cabinets: upgrade cylinders on doors that require controlled access. Gates, lockers, and storage units: use where a compact 15 mm cylinder is required and improved resistance to drilling is desired. Installation notes Confirm compatibility with your existing lock measurements and mounting arrangement prior to installation. Installation typically requires removing the old cylinder and securing the cylinder with the included screw. If unsure, consult a qualified locksmith. This door lock cylinder provides a mechanical security upgrade where a compact, antidrill cylinder is needed.