The yh Collection continues a legacy of distinctive design, high manufacturing standards, and demanding functional performance set forward by Linus Yale in 1840. The yh Collection leverages years of engineering refinement with artful execution to offer a series of ansi/bhma grade 2 superior light commercial quality locks that will beautifully serve any home for generations. Yh offers superior functionality such as push-button locking, hidden screws, removable knobs for simple re-keying, and reversable handing.