If you like to take care of every detail in your home and own the latest products that will make your life easier, purchase Lock Yale Brass at the best price. The YALE releasable locking cylinder is a lock specially designed for entrance or exterior doors, offering a secure and reliable access control solution. Made of brass and finished in an elegant grey color, this cylinder measures 30 x 60 mm and features a 6-pin system that provides advanced protection against burglary attempts, making unauthorized external manipulation difficult. It includes a disconnection function that allows the cylinder to be released in specific situations to facilitate maintenance or replacement without compromising overall security. It comes with 4 reversible keys that offer user convenience and flexibility, as well as ensuring extended durability thanks to their reversible design, which prevents premature wear. The high quality of the materials and the precision in the design of this cylinder ensure optimal and long-lasting performance, making it a key component in any domestic or commercial security system. This product is a solid choice for those who value effective protection without sacrificing practicality and durability in their exterior lock. In short, the YALE releasable cylinder represents a robust and reliable solution for exterior door security. Material: BrassNot included: Battery