1/2″ 6061 T6 extruded aluminum construction with stainless steel fasteners. Rated for 130 HP and smaller motors. 6″ setback to enhance boat stability and performance. 20� of trim and a total of 90� of tilt and trim. Electric hydraulic actuator rated at 7,853 lbs. of thrust. Standard B.I.A bolt hole pattern. Four stainless steel motor mounting bolts included. Without gauge.