Fitting made of 316 Stainless Steel; it comes with a male M14 x 1.5 pitch threading with a female 1/8 BSPP (tapered) threading. It is useful for fitting parts with 1/8 BSPP threadings such as the EQ-CVM-211 Digital Pressure Gauge onto the MTI Vacuum Sealing Flange ports (M14 Female) after removing the original mechanical pressure gauge.