is a unique self-locking hinge type lock designed to offer additional security protection for Sliding Patio Doors and Sliding Windows. It installs in seconds and requires no tools. It is made from LEXAN which is a very strong transparent material using a special adhesive that bonds like a weld. is the ideal affordable solution that provides you additional locking protection when you are home and for your possessions when you are away.
Do the test: If your pinky fits between the two sliding pieces so will the ( 3/8" ) The price is for a 2 pk. Please read and follow the installation instructions.