EM Lock 600 LBS Electromagnetic Lock for Door Control & Autopsied Entry System. This is electronic type of lock with magnet based principle and a force of 600LBS which is enough to control any single wooden, glass or metal door. EM Lock for Door Access Control system is best solution for all types of office secure doors and to control unauthorized access to the premises. This is easy to implement and have normal pricing which anyone can afford. EM Lock gives outstanding performance and works for long time as it is very rugged in shape and design.