Mast attachment, 1-way. For light type 9311... . Mast attachment made of aluminum tube and die-cast components, color deep black, similar to RAL 9005, powder-coated, highly weatherproof. Mast top Ø 76 mm. With 3-pin connection terminal up to 2.5 mm2 and strain relief. Accessories available for 10 years after the invoice date, subject to reasonable changes in the interest of progress.