The DS-850K-S-ON-K is part of Miyama's line of 850K series locksets. It is available in a variety of finishes and models. This series of locksets is designed for residential and commercial use, providing advanced security and convenience. The DS-850K-S-ON-K model comes with a single cylinder deadbolt, a privacy lever, and keyed access from both sides. It is suitable for doors up to 2 ¼” thick. The lock is also certified for Grade 1 commercial applications.