The LSDA 5800LE IC 26D Classroom Intruder Lever is a high-quality commercial door hardware product designed for commercial use. Made in the United States by LSDA, this lever handle features a standard SC1 cylinder included for added security. The model 5800LE is suitable for applications where the teacher needs to be able to lock the door from the inside of a classroom. Units are new in box grade one levers with keys. These are ready to install and as a locksmith I can help you with any custom keying needs.