Dixon® Flushface Male Coupler, Series: DQC HT, 3/8-18 Nominal, Male NPTF, 1-1/8 in Hex, 2.88 in Length, 5000 psi, Steel, Polished Chrome, 1.24 in OD Dixon® 3HTM3 DQC HT Flushface Male Coupler, 3/8-18 Nominal, Male NPTF, Steel