Airmar B60-20-FISO 20 Spade Connector f/Raymarine ST30, 40, 60, i40, i50 i60 [B60-20-FISO]B60 20 FISO 20 Spade Connector for Raymarine ST30, 40, 60, i40, i50 & i60 The B60 20 provide a vertical beam without a fairing. Inside the housing, the ceramic element is tilted for built in, deadrise compensation. The resulting vertical beam gives excellent echo returns for more accurate depth readings. The nearly flush housing minimizes drag with only 5 mm (3 16") extending outside of the hull. Features: Depth ONLY Mid Performance Engineered for