BVA Hydraulics CF3812 1/2 inch NPTF Short Gauge Fitting Adapter features high strength steel construction. It has been designed for heavy duty applications. Gauge port is 1/2 inch - 14NPTF. Male end is 3/8 inch-18 NPTF. Female end is 3/8 inch-18 NPTF. Overall length of 2-3/4 inches.