-Allows a second isolated downconductor to be connected to the air terminal -Second isolated downconductor is mounted externally next to the mast and fixed with UV stablized non-conductive cable tiesPart Number ISODUAL Article Number 702094 Material Stainless Steel 304 (EN 1.4301) Depth (D) 44.5 mm Width (W) 119.1 mm Thickness (T) 6.4 mm Hole Size (HS) 16.51 mm A 74.6 mm Unit Weight 0.3 kg Certifications Qualifoudre Standard Packaging Quantity 1 pc UPC 78285664628 EAN-13 8711893047721