Material:Zinc Alloy Size: 198*28mm Surface Finishing:Electroplated Keys Included:Single sided lock with key, double sided lock with out key Function: sliding door and window manage lock, up and down slide swap Scope of application: all types of sliding doors and window Package Includes: 1 Set x Lock Note: Actual shade could also be barely diversified from the picture because of assorted video display and light-weight effect.