This 10-inch long Seachoice Fuel Sender Reed Switch reliably monitors fuel levels to provide fuel gauges (sold separately) with the most accurate readings. This Fuel Sender Reed Switch is compatible with 33 (full) and 240 (empty) ohm gauges. Its durability and reliability are enhanced by the fact there are no moving mechanical parts. This unit features a Stainless Steel immersion tube, corrosion-resistant plated mounting flange, gasket (SAE 5 hole), and .250-inch insulated spade connectors. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.