13 mm.(1"-12UNF)M - 3/8"NPTM 1000 Bar Product description Adapter various applicationsConnections : 13 mm.(1"-12UNF) Type M male (hose) - 3/8"NPT maleDimensions : Hex 1" x 1.787" ( ± 45,4 mm.)Material : st. steelPart number : 20-019-011