21 x 14 High Performance Trim Tab Kit w/o Switch Kit-12V - Dual ActuatorLenco HP Single & Dual Actuator Electric Trim Tab Kits feature electro-polished 7 Gauge 304SS Blades & Sacrificial Anodes. Lenco fast response electric actuators are fully submersible with all plug & play waterproof Deutsch connections.Each kit is factory assembled with extreme duty actuators with 3/8 SS bolts, a full transom back plate, mechanical strain relief cable seal, adjustable C-channel mounting brackets, and 3.75 sacrificial anodes.Kit Contents:2 each of stainless steel trim tab planes4 each of #15056-001 XD extreme duty actuators with 6' lead & Deutsch plugsKit is factory assembled with full transom back plate, mechanical strain relief cable seal, adjustable C-channel mounting brackets, and 3.75 sacrificial anodes.The following to be supplied by customer:Boat mounting hardware supplied by customerActuator extension harnesses (2 for single actuator application or 4 for dual) will berequired. To order the lengths of your choice see the Lenco Accessories Section.Specifications:Suggested Boat Length: 24' to 42'Length of Tab: 21Width of Tab: 14Minimum Transom Height: 10.5Blades: 7 Gauge Stainless SteelFinish: Electro-PolishedSwitch Kit: Sold SeparatelySwitch Required: 15071-001Class: Fuel EfficientCompliance: CE CertifiedCompatibility: Any BoatActuators: 12-voltWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.