T-H Marine CMC Atlas Series Hydraulic Jack Plates ATLAS Hydraulic jack plates are trusted by boaters globally because they have been engineered to be strong and dependable due to their smart designs. These provide the optimal experience and performance required from your outboard motor. In shallow water, ATLAS jack plates provide a smoother ride and protect the props from damage. Additionally, they increase fuel efficiency and help boats to get on planes faster and with greater safety. The T-H M