SECO-LARM Alarm Switch Screw Terminals 2-3/4 Inch Gap Gray for Loose-Fitting Doors Windows

thread 16 to 18 inches of one strand of a long contact wire through the small hole in the punch point alignment tool bring the ends together and tie a knot at the end now you have a pull wire take the recess contact switch out of the door frame just enough as needed to close the door later and not smash it face the narrow side of the tool toward you so the tool slides out of the hole easily when pulled without getting hung up positioned the pull wire and the recess contact switch wire in the punch point alignment tool grooves and then insert both together into the three eighth inch wire hole until flush with the doorframe lift both red wires up enough to close the door pull down and hold tension while reopening the door to leave a trail mark the end of the trail marks exactly where to drill for your magnet punch point marking tape is available to make your mark more visible to use the p