Great for boats from 14′-25′ long with a swim platform and/or ladder. Can be fitted to transoms with limited mounting space. Blades are electro-polished 12 gauge, 304 stainless steel. Fully submersible electric actuators have plug & play Deutsch connectors. Includes: (2) 12V actuators with 6′ leads, (2) 20′ actuator extension, (2) trim tab blades, stainless steel mounting hardware. Switch kit sold separately. Minimum transom height – 14.5″.