·INTIMATE DESIGN : Large knob design,comfortable feel,smooth and quiet rotation,more comfortable to use.Unlike traditional sliding door locks,which need to be cut and installed,they only need to be drilled and installed to protect the door panel as much as possible. ·SELECTED MATERIAL : High-quality zinc alloy,black matte spray paint surface,wear-resistant,not easy to rust,the door lock is thick and durable. ·APPLICABLE TO MULTIPLE SIZES : The rod can be adjusted to match a variety of door thicknesses.The set is equipped with 3 different length screws,which can be selected and used according to your own situation. ·DOUBLE HOOK LOCK BODY : Double hook lock tongue,higher safety performance,suitable for sliding doors,double doors,etc. Product Name:Door Lock Set Material:Zinc alloy Colour:Black/Silver Detailed Dimensions: The length of the door lock is 66mm. The length of the knob is 47mm. Suitable for door panels with a thickness of 35-55mm. (Please refer to the picture for details.) Package Contains: Handle Lock Set * 1 (Includes key*3,3 mounting screws of different lengths,and detailed installation instructions.)