Mortise Pair Black Silver Finish with Cylindrical Both Side Key Lock; Lock Specification: Steel Case Powder coated & klin Dried. Extruded brass locking bolt. Extruded brass latch bolt. Supplied with extruded brass five pin cylinder with 3 brass Ultra keys. Lock Size : 8" Inches; Handle Set Specification : Material Base Plate : Zamak (Zinc); Material Handle : Zamak (Zinc); Mechanism Spring : Spiral Spring, Stainless Steel 304; Handle Set Finish : Black Silver; Handle Set Size : 203 mm ( 8” ); Our products are prepaired by the consummated and professional surface treatment and anticorrosion technology. Handle Set color may be slightly differ from shown in image.