Materials Robust copper and stainless steel deliver longlasting performance and strong security. Key benefits Durable construction with corrosion resistance for reliable use over time. Singlesided lock with a thickened antitheft mechanism for enhanced security. Ease of use Locking and unlocking can be done with a standard key or from inside via an internal rotary button. Installation Designed for quick, straightforward installation with no complicated steps; suitable for DIY setup. Applications Ideal for interior doors and storage spaces in homes, hotels, and offices; improves privacy and access control. Use scenarios Hotel rooms: interior door privacy lock with outside key access and inside rotary button for immediate locking. Office environments: secures storage cabinets or small interior doors requiring restricted access. Home use: interior doors or closets where privacy or controlled access is desired.