A14 INSTR TRUSS DOCK ADD-ON SECTIONS 4’x16′, 4’x10’5″, 4’x8′ (ALUM – AD25, AD30, AP25, AP30, AD35, AD40, AP35, AP40, AD45, AD50, AD55, AP45, AP50, AP55 || CEDAR – AW25, AW30, AW35, AW40, AW45, AW50, AW55 || TITAN TP25B, TP30BM TP45B, TP50B, TP55B)