Temperature Sender - 1/8 American Dual StandardTemperature Sender by Faria Beede Instruments(R), 1/8 NPTF, American Dual Standard. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. Features:Engineered to high standardsHigh-grade design delivers extended lifespanMade with premium materials