... .unique design&solid structure 4.excellent quality&reasonable price sliding door lockMaterialZinc Alloy/Aluminum Alloy/Aluminum/Zinc+AluminumFinishingkinds of platting finish, including: antic brass ... -channel polishing process, so that the surface bright.Functionhome door or other building room door, wooden door ,metal door ,glass door ,Outdoor, Entrance doors, Room doorsstandard ...