These CRL Locks for 3/8" Double Doors are easy-to-install on cabinets and showcases with double swinging glass doors. No drilling is required, and they are designed to be installed on 3/8" (10 mm) thick glass doors. Locks come complete with two keys and strike plate. Screws for installing strike plate are not included. Customers needing extra blank keys can order Cat. No. LKEY.