Nauticus Smart Tab 7 x 8 Self Leveling Trim Tab Kit This self leveling trim tab kit by Nauticus is perfect for boats 12 - 16 in length with 2 or 4 stroke engines ranging from 40HP up to 80HP. This complete trim tab kit contains all you need to install the trim tabs and increase your boats performance. These Nauticus smart tabs are recommended for use on Bay, Bow Riders, Fish, Flats, Ribs, Ski Boats. These Tabs are 7 Wide by 8 Deep Kit Includes Stainless Steel Components Self-Contained Nitrogen