PROTECT YOUR ENTRYWAY - The Prime-Line U 9514 latch shield is designed to prevent forced entry on swing in doors; perfect for both residential and commercial use, it adds an extra layer of security to in swinging doors INTERLOCKING DESIGN FOR ADDED SECURITY - Featuring interlocking brackets, this locking shield ensures that your door is securely protected by making it difficult for intruders to pry open DURABLE CONSTRUCTION - Made from solid steel, this steel shield is built to last, providing reliable protection against forced entry; its 12 inch height gives ample coverage to safeguard your door’s latch area INSTALLATION - The non handed shield can be mounted on both left and right-hand doors without mortising; it comes with tamper-proof, one-way screws for secure installation on wood or metal door systems DIMENSIONS - This 12 inch lock shield is designed for swing in doors and mounts to both the door and jamb for secure coverage; for further dimensional information, please see the line drawing before purchasing