Bennett SLT6 6 x 8 Self Leveling Trim Tab System for boats Up to 16 Replacing trim tabs has come a long way from the once tedious task. Bennett Marine has developed cutting-edge technology that has revolutionized trim tabs systems. Their self-leveling trim tab systems are a great choice for smaller vessels. They are quick and easy to install and require no work on the inside of the boat. Whether a trained marine technician or a DIYer, Bennett self-leveling trim tabs can be installed with only a