The siFramo 80 Cantilever Bracket AK F 80/30-E-400 is a galvanized hollow-box section with welded end-plate to serve as cantilever arm. May be used as a crossbar when combined with End Support STA and 4 Self Forming Screw FLS. Installation required 4 Self Forming Screw FLS when fixed to another siFramo hollow-box section. Alternatively, with two suitable wall anchors through holes "A" when fixed directly to building structure.