TH Marine Powerlift & Hydro-Jacker Hydraulic Jack Positon Indicator Gauge Conversion KitFits all CMC Power Lift Hydraulic Jack Plate Models.Fits all T-H Marine Hydro-Jacker Hydraulic Jack Plate Models.Gauge is sealed and drip proof and mounts in the dash of the boat.Provides safe and convenient height determination.Standard 2″ gauge mount.The sending unit is completely sealed and waterproof.Kit Includes:(1) position sender gauge(1) sending unit(1) sending unit bracket(1) 6-32 x 3/4″ pan head self tapping machine screw(2) 6-32 x 1/2″ pan head self tapping machine screw(1) 10-24 x 1″ flathead socket cap screw(2) 10-24 hex nut(2) 1/4″ – 20 x 3/4″ hex head cap screws(2) 1/4″ lock washers(4) 1/4″ -20 x 1/2″ hex head cap screws(1) wire assembly(1) actuator bracket