GU and Ferco multipoint lock hardware. We carry multipoint locks, single point locks, electronic locks, handle sets and other miscellaneous parts to help get your door working like new again. GU door parts were commonly used on Pella doors, Atrium doors, Milgard doors and many others. G-U hardware is also known for having a 35 inch handle height and making there handle and locks in both options, American version or European version.