The HES 5200-LBSM electric strikes feature an in-frame horizontal adjustable design to simplify the installation process. This feature allows the installer to easily adjust the electric strike opening to accomodate the horizontal position of the latchbolt after the strike has been installed. This field selectable fail secure/fail safe unit is easy to install and accommodates latchbolts up to 3/4" throw. The unit is equipped with a latchbolt strike monitor. Also known as -Hanchett Entry Systems (HES) 5200-LBSM Electric Strike