Nauticus Smart Tabs SX Series 10.5 X 12 f/21-25' Boats - Up To 250 HP. 5 X 12 f/21-25' Boats - Up To 250 HPIMPROVES YOUR BOAT'S OVERALL PERFORMANCE - GUARANTEEDIf these trim tabs don't provide you with an outstanding performance increase contact us within 30 days of your purchase.Why buy a manually adjusting trim tab set when you can get the automatic trim tabs that will self adjust and performance better for less money?The SX series incorporates all of the fully automatic Specifications for Nauticus Smart Tabs SX Series 10.5 X 12 f/21-25' Boats: Manufacturer: Nauticus Color: Black Fabric/Material: Composite Length: 25 ft Features of Nauticus Smart Tabs SX Series 10.5 X 12 f/21-25' Boats Boat Length - Max (Feet): 21'-25' Construction: Composite Package Contents: Nauticus Smart Tabs SX Series 10.5 X 12 f/21-25' Boats Nauticus SX10512-90: Smart Tabs SX Series 10.5 X 12 f/21-25' Boats - Up To 250 HP