290 mm baseplate for DUO trusses - With connectors Material: Aluminium ISO DIN 4113 and TÜV certified. Aluminium alloy base (EN AW 6082 T6) Connectors: 2x conical half-sleeves 2x pins 2x safety pins The conical connectors and pins allow you to set it up quickly, and guarantee a very safe, stable and resistant installation.