Lenco trim tabs makes your boat ride smoother, drier, faster and with increased safety. Lenco's ballscrew design is reliable, powerful, and features an instant response which makes it very user friendly.Fast response electric actuators for precise control. Fully submersible. All Plug & Play Deutsch connections. Blades are constructed of 12 guage, 304 stainless steel with a 5/8" flared trailing edge. Minimum transom height: 14". Kit Includes: Waterproof plug and play Deutsch connectors12 -volt actuators (2) with 6 foot leads2 stainless steel trim tab planes-12 gauge20' actuator extension harnesses (2) with Deutsch connectorsAll stainless steel mounting hardwareSwitch KitSwitch Kit