The ALUTRUSS TOWERTRUSS TQTR-4000 is a 4-point tower cross beam for building ground supports and Tower System I and II structures. It uses four 50 mm aluminium main chords with 4 mm wall thickness and 20 mm x 2 mm braces. The beam has a 400 cm length and 29 cm width and depth. It uses conical Quick-Lock connections and is made from EN-AW 6082 T6 aluminium alloy.