T-H Marine CMC Hydraulic Jack Plate Position Indicator Gauge Kit provides safe and convenient height determination. The gauge sports a sealed, drip-proof design, and mounts easily in the boat dash with a standard 2" gauge mount. The sealed, waterproof sending unit holds up through harsh marine conditions and fits all Hydro-Jacker™ models 2010 and later. Sealed, drip-proof gauge. Mounts in dash of boat. Provides safe and convenient height determination. Standard 2" gauge mount. Sending unit completely sealed and waterproof. Standard up-down toggle switch. Item(s) will ship directly from manufacturer; delivery options and/or shipping upgrades are unavailable. Please allow 2-3 weeks for delivery. Contiguous 48 states only. A street address is required for delivery. Item is not available for ship-to-store delivery.