A&M Sugarworks Store › Mainline support wire # 9 - 50 lbs galvanized carbide, stronger & high tensile (0.134") Image 1 of 2 Image 2 of 2 Mainline support wire # 9 - 50 lbs galvanized carbide, stronger & high tensile (0.134") $126.00 Mainline support wire # 9 - 50 lbs galvanized steelclad (strongest / high tensile) 1,000 ft roll. Quantity: Add To Cart Added! Mainline support wire # 9 - 50 lbs galvanized steelclad (strongest / high tensile) 1,000 ft roll.