The Amseco AMS-21 Series Recessed Contact is a UL listed contact
designed to provide a clean and easy installation for standard openings.
The AMS-21 Series may be used to secure a variety of openings such as:
man doors, sliding doors, windows, and other openings where a concealed
contact is necessary. This contact is Brown with 24-inch wire leads and
has a 5/8-inch gap.