HPAHD22 Features: -Purlin anchor. -Galvanized finish. -Material: Steel. -Designed to meet seismic load requirements when connecting wood purlins and beams to concrete or masonry. -May also be used as a post base connector. -Loads are based on a minimum of 4" embedment into concrete and should be reduced accordingly for masonry or other applications. -12 Gauge . -Dimensions: 4" H x 2.06" W x 34.75" D.