Complete AccessoriesThis doorphone comes with 3 matching keys, only in case the key is lost. 2 fixing screws. Easy installationThis lock cylinder can be mounted quickly and easily with a screwdriver (cross head). Cylinder locks can also prevent locks and tampering attempts. To avoid the screws are not long enough for installation, we provide two fixing screws for choice. Wide range of applications: they can be used as replacement locks or for new ones facilities. This door cylinder is suitable for wooden doors, security doors and all interior doors. Entrance or bathroom door, double or single sliding door. balcony/terrace, garage, basement or barn doors. Good QualityThe lock cylinder is made of zinc alloy with good hardness and strength. Matte finish. The cylinder is strong and not easily damaged. Quality Assurance: Products are produced under strict quality standards before leaving the factory, with excellent performance and can be used with confidence . They are manufactured according to the latest safety standards, with anti-drill protection and of superior quality