LIBON LOCK Specifications: "Lock Size : 65mm Double Stage Locking, we provide double turn locking for more security,Brass Cylinder and Brass lockbody, Metals are used for manufacturing of lock : Iron-Stainless Steel and Brass"; Finish : Brass Antique,Mortise Pair Specifications : " Plate Material : Iron, Handle Material : Iron, Mechanism Spring used for movement of handle : Spiral Spring of stainless steel (304 Grade), Handle Set Dimensions : (Plate Length : 180mm); " Made of virgin Brass And Steel. Adopt To all Doors. Advanced production technology With precision moulds And Tools. Standard and strict production requirements.We use consummated and professional surface treatment and anticorrosion technology for longer life of my product."