Marketing InformationH-Frame Kit F-HF-320 (12 in. foot) is used to support ducts, pipes and electrical containment. This kit offers the installer full flexibility by providing a solution where they can supply their own strut to suit their installation requirements. The F-HF-320 includes a pair of 12 in. square feet, hot dip galvanized angle brackets and all the necessary hardware to assist the installer in a low cost, versatile and fast assembly solution on site. Strut is not included.