The MK100 and MK100ME are concealed hinges for wood or hollow metal doors with a 1-3/8″ minimum thickness, are non-handed and include magnetic covers. MK100 is corrosion-resistant, while the MK100ME is electrified. The electrification allows for a constant flow of current from a power source through the hinge to electrified door hardware, including locks, strikes, and exit devices.