The SA1 is constructed of 12 Gauge cold rolled hardened steel. The anchor is rectangular, consisting of 3 screw holes on each side. The SA1 is equipped with one washer and a cotter pin. It is designed to be screwed into hard surfaces such as concrete, allowing the technician the opportunity to secure a rodent bait station to hard surfaces. For easy cleaning of the station, you simply pull the cotter pin out, quickly service station of any debris and re-anchor.