ALUTRUSS BILOCK BQ2-S4000 is a 2-point aluminium ladder truss with a length of 400 cm, width of 29 cm and height of 5 cm. It uses 50 mm × 2 mm truss pipes and 16 mm × 2 mm struts. The truss is TIG-welded from EN-AW 6060 T66 aluminium alloy with AlMg 5 welding material and finished in matte black powder coating. It is designed for easy installation in theatres, trade fairs, shops and clubs.