EUROLITE DEC-250 QUICK-LOCK Coupler is a black aluminum casting mounting coupler designed for 30–35 mm truss tubes. It features a QUICK-LOCK hook with a large wing bolt for mounting and includes an M10 x 30 mm grade 8.8 fixation screw with an M10 butterfly nut. The coupler has a maximum working load limit of 50 kg and a BGV C1 maximum load of 25 kg. Its stated dimensions are 8.50 cm length, 3 cm width, and 12 cm depth, with a weight of 0.24 kg.