The BracketPro Installation Tool is designed to help installers easily locate and pre-drill holes on posts used with VersaRail Aluminum Railing. Providing level railing without having to measure or center brackets manually, the BracketPro Installation Tool squeeze fits onto 2 in, 2-1/2 in, and 4-1/4 in. posts (eliminating the need to hold or clamp). A built-in level ensures posts are plumb and its unique indexing feet feature enables the tool to also be used with fascia posts. The BracketPro Installation Tool can be used on posts that have already been fastened as well as on posts lying flat.