Racetech temperature gauges are available with either 7 or 9 foot capillary tubes and are furnished with a 3/8 BSP male x 3/8 BSP male adapter fitting. An optional 5/8-18 Male x 3/8 BSP Male Adapter is also available (Part No. 1098). The capillary tube has a 3/8 BSP female threaded tube nut permanently installed. Capillary tubes on temperature gauges must be handled with care. If broken, the gauge is not repairable.