The ALUTRUSS QUADLOCK QL-ET34 C-21 is a 2-way, 90-degree corner element for 4-point truss systems. It is manufactured from EN-AW 6082 T6 aluminium alloy and uses 50 mm truss tubes with a 2 mm wall thickness. The element has a center-to-center distance of 240 mm and dimensions of 50 cm in length, 50 cm in width, and 29 cm in height. It is intended for theater, trade fair and shop fitting, and club applications.