Features: Fine drilling design Zinc alloy lock core, aluminum alloy base Thickened willow web page RUSTPROOF: Manufactured from top class Aluminum alloy to protect against corrosion and rust. It is excellent for sliding door and window. Note: Actual colour may be barely diversified from the image because of varied video display and lightweight effect.Material:Zinc AlloySurface Finishing:ElectroplatedApplication:Keyed AlikeKeys Included:Yes