Lenco Extreme Duty Performance 17 x 12 electric Trim Tab Kit without Switch Lencos XD series trim tabs are designed with thicker and stronger blades for outstanding performance. The actuators are deigned for larger, faster boats that operate in rough waters. The trim tabs are made from 12-gauge 304 stainless steel that has been electro-polished for extreme corrosion resistance. This kit is intended for boats between 20 - 40 in length. These trim tabs are 17 deep by 12 wide. Trim switch sold sepa