Security Door Lock Core designed with a multiway locking principle to improve lock reliability and resist common forcedentry methods. The cylinder incorporates multiple mechanical antitamper features to help prevent drilling and masterkey manipulation while providing a robust, metal construction. Key benefits Enhanced resistance to drilling and masterkey opening through a multiway locking mechanism and mechanical antitamper elements. Improved reliability and safety for standard door lock applications thanks to a solid metal cylinder design. Includes three cut keys so the cylinder is ready for use right away. Compact and lightweight: easy to measure and compare for compatibility with existing locks. What it does Protects against common mechanical attacks by using multiple internal locking paths and antiabnormality features. Serves as a security upgrade or replacement cylinder when dimensions match your door hardware. Specifications Product name: Security Door Lock Core Main material: Metal Package contents: 1 x Security Door Lock Core, 3 x Keys Weight: 164 g Main colors: Gold Tone, Silver Tone Overall size: 95 x 30 x 18 mm (length x width x thickness) Compatibility and fit Before ordering, confirm your existing lock cylinder matches the overall size 95 x 30 x 18 mm to ensure a proper fit. Suitable for use wherever a cylinder of these dimensions is required. Measure your current cylinder and strike plate clearance before installation. Use scenarios Residential front door: a worn or less secure cylinder to reduce vulnerability to drilling and unauthorized keying. Office or commercial interior door: upgrade the cylinder in shared spaces or storage rooms to improve mechanical resistance to tampering. Property maintenance and replacements: keep as a spare or use when renovating lock hardware, provided dimensions match. Notes for Verify the cylinder dimensions against your door hardware prior to buying to ensure compatibility. The product comes with three keys and is available in Gold Tone or Silver Tone finishes. This description reflects the product specifications and intended function.