Description: 【Easy to Operate】:This window latch locks is designed for easy to operate,just slide open and close left and right. 【Enhanced Security】:The window sash locks is easy to assemble and provides good additional security simply switch to secure the handle to the frame, upgrading the security of your doors and casement. 【Easy Installation】: The sliding window locks comes with fixing screws and knock caps, making it easy to install without professional help. 【Premium Material】: The window anti steal lock buckle made from sturdy aluminum alloy, this lock ensures long time performance. 【Wide Application】:The window sash jammer lock is suitable for the doors, casement, bathroom doors or balcony casement, etc. Size Chart: 6.3cmx6.1cmx1.46cm/2.48inchx2.40inchx0.57inch Package Includes: 2 set Window latch(2 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.