DBI-SALA Fixed Beam Anchor - Fits up to 18 in.* The fixed beam anchor installs in seconds, simply slide the adjustable end down to the flange and then secure it with the pin, and tighten. Pretty simple. * This DBI SALA Beam Anchor easily adjusts to exactly where you want it in any orientation or direction to provide you with maximum flexibility. * The fixed beam anchor makes an excellent end point for a horizontal lifeline system. * This beam anchor is designed to fit flanges up to 1 1 2" thick