This security bar lock is constructed of an extruded aluminum bar with steel brackets, and it comes in an aluminum color, painted finish. This universal bar lock is non-handed and can be used on both left and right-handed sliding panels, regardless if the sliding panel is situated on the interior side or the exterior side of the frame. The square aluminum bar measures 5/8 in. x 5/8 in. x 48 in., and it can be cut down to meet the width of smaller patio door systems. Security bar locks like this one feature a jimmy-proof construction, designed to prevent would-be intruders from opening the sliding door. All fasteners, brackets and installation instructions are included with this item. Need help with installation? See manufacturer’s how-to video for detailed instructions, including how to install when the active panel slides on the exterior side of the home. Other colors available include bronze and white. A similar telescoping design is also available from manufacturer.