ST16ATP Performance Sport Tab System w/Auto Trim Pro12 x 16Manufactured with heavy-gauge reinforced stainless steel and powerful hydraulic actuators. Performance Tabs combine strength, durability, and good looks to achieve your boat's maximum potential.Features Include:Get on plane fast and stay on plane at intermediate speedsCorrect listing and uneven loadsReduce pounding and eliminate porpoisingImprove visibility and safetyLow maintenance with long-term valueKits Include:(1) Control unit (ATP)(2) Trim plane assemblies(2-4) Hydraulic actuators(1) Hydraulic power unitHydraulic tubing and hardwareWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.