HnF shop Pack of 4 Pcs Sliding Window Lock

High-Security Quick & easy Installation Sliding Window Locks Baby safety parts •Instantly lock sliding windows and doors – no drilling or tools needed •Place on window or door track & tighten thumb screw; lock shut or allow partial opening •Prevents window from being forced or pried open from outside; easy removal and reusable •Fits most vertical or horizontal sliding windows & many sliding doors to 1/4" track-rim width •Heavy-duty extruded aluminum won’t rust or corrode Windows and doors that slide open are a favorite entry point for criminals. They open & close silently and factory-installed locks & latches are often easy to defeat. This simple and reliable lock grabs onto window or door track and prevents further opening. Also lets you set maximum window-opening size – a great way to safeguard upper-level windows for children