Lectrotab SX ProTroller Series Trim Tabs 9.5 X 10 f/17-20' Boats w/80-175 HP [PT9510-60]SX ProTroller Series Trim Tabs 9. 5 X 10 for 17 20' Boats with 80 175 HP Trolling Brakes & Trim Tabs All in One! The ProTroller series incorporates the ability to turn SMART TABS into trolling brakes. By simply moving a lever up or down, ProTroller Smart Tabs switch between the most effective trim and stabilizer system on the market to the most effective trolling brakes. TROLLING BRAKES: With the levers in the down position, the plates drop down to