Equus Oil Pressure and Electronic Temperature Metric Adapter Kit includes the following Adapters: (1/8” – 27 NPT to M10 x 1), (1/8” – 27 NPT to M12 x 1.5), (1/8” – 27 NPT to M14 x 1.5), (1/8” – 27 NPT to M16 x 1.5), (1/8” – 27 NPT to 1/8” – 28 BSP). They are made from high quality Nylon to ensure long lasting durability. This Kit facilitates hassle free installation of oil pressure gauges.