Fully submersible, precise-control electric actuators. All Plug & Play Deutsch connections, Blades are constructed of 12-gauge Electro-Polished 304 stainless steel with 1 turned up edges (the 16x12 and 18x14 blades have an 85-Degree inside taper) and come with 1/4 diameter stainless steel hinge pins and stainless steel mounting screws. Min. transom height: 9L models - 13.5, 12 and longer models - 11. Kit Includes: 12-volt Standard actuators (2) with 5/16 Stainless Steel mounting bolts 6 ft. leads and Deutsch connectors 20 ft. actuator extension harnesses (2) with Deutsch connectors Stainless Steel electro-polished trim tab blades-12 gauge (2)Stainless Steel mounting hardware Switch kits sold separately. Proud to deliver exciting, dependable, environmentally friendly products. Lenco will make your time on the water as enjoyable as it should be.