Lenco TT12X18NS. Electric Trim Tab. 12 x 18 inch kit. Contains: 2 actuators with 20 foot wires, 2 trim tab planes -12 gauge, and all stainless steel mounting hardware. ( Switch not Included ) Boats 26' - 36 foot. Makes your boat ride smoother, drier, faster and with increased safety whether on a small skiff or mega yacht.