Bennett ST9 12×9 Performance Sport Tab Systems with One Boat Indicator Control Model: ST9OBI Get on plane fast and stay on plane at intermediate speeds Correct listing and uneven loads Reduce pounding and eliminate porpoising Improve visibility and safety Low maintenance with long-term value Enjoy the sophisticated black-powder-coated finish of Performance Tabs. Manufactured with heavy-gauge reinforced stainless steel and powerful hydraulic actuators. Performance Tabs combine strength, durability, and good looks to achieve your boat’s What’s in the Box: (2) Trim plane assemblies (2-4) Hydraulic actuators (A1101ARC) (1) Hydraulic power unit (V351HPU1) Hydraulic tubing and hardware OBI9000H One Boat Indicator Control WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov.