FJM Security 2610B-KA Tubular Push Lock with Chrome Finish, Keyed Alike Virtually pick proof and dimple discourages drilling High security tubular keyway and key retaining (key only is removed when in locked position) Housing with zinc alloy outside and inside, brass barrel end Keyed alike with zinc alloy lock housing, chrome finish Perfect for merchandise showcases, metal cabinets and office furniture The push locks are designed for use in wooden or metal sliding doors. Complete with a spring loaded pop out cylinder, it requires no key when locking; simply push on the cylinder to relock. The plunger lock is ideal for merchandise showcases, metal cabinets, and office furniture