The Hartte electric strikes XS-series are narrow (only 16.2 mm width) and have a small dimensions enabling mounting in narrow profiles and door frames. The XS12U-B model is equipped with strengthen spring for doors with lock latch pressing on electric strikes.
They are built symmetrically - fit perfectly to left and right doors of various types. Radius latch (it is not outstanding out of electric strike outline) and adjustment in the range of 3.5 mm requires less punching, and making installation easier and quicker.