Designed for sportfishing boats, high speed cruising boats and large commercial vessels. 7-gauge, lasercut 304 stainless steel blades with all stainless steel mounting hardware withstand the rigors of the most demanding conditions. No spray or mist when mounted in recessed pockets. 3/8" diameter hinge pin, and a 3.75" sacrificial anode. Kit includes:Extreme Duty 12V actuators (2) with 316 Stainless Steel billet ram with 3/8" stainless steel bolts, 6' leads and Deutsch connectors7-gauge Stainless Steel trim tab blades (2)Stainless Steel mounting hardwareActuator extension harnesses and switch kits sold separately