The ASB Aluminum Spacer Bracket is a 1/2" [12.7mm] thick anodized aluminum spacer bracket with three (3) individual designs each for the Models M32, M62 or M82 Magnalocks. Installations that contain aluminum door frames with or without blade stops may require this type of special spacer/structural type bracket. The purpose of the ASB bracket is to improve frame mounting strength, Magnalock/Strike clearances, alignments and ease of the installation. The brackets are available for all standard mount M32, M62 and M82 Magnalock models.