8 mm.(3/4"-16)M - ¼"NPTM 1000 Bar Product description Adapter various applicationsConnections : 8 mm.(3/4"-16UNF) Type M male (hose) - ¼"NPT maleDimensions : Hex 3/4" x 1.687" ( ± 42,8 mm.)Material : st. steelPart number : 20-019-020