DESC: Tough, reliable, convenient. Features: adjustable float arm and U-channel fits most tanks. 240-33 ohm resistance range. The sender is made from non-ferrous materials, preventing rust. Suitable for isolated or common ground systems. Straight stainless float arm adjusts without bending in tank depths greater than 6 deg.. Injection molded terminals eliminate leaks. Complete with gaskets & mounting screws. Kits include P/N 81150 heavy duty gauge with classic white-on-black dial face and low-profile bezel. Display packaged.