Features: 1. Wide Application: Apply to plumbing pipes, pipe fittings, accessories pipe fittings, etc. 2. Function: Designed to connect hoses and fittings of different types. With this adapter, you can convert M12 x 1.25 fitting to 1/4 NPT fitting. 3. Dimension: NPT to Metric Male Adapter Fitting. NPT End: 1/4” Male. Metric End: M12X1.25 Male. 4. Material: Made of premium quality 304 stainless steel with good rust and corrosion resistance. Built to last, this fitting adapter has high strength and leak proof sealing. .