Metric Extension with 1/8" Port - Steel AF810-M12-02-STMetric Extension with 1 8" Port SteelBlack Finish. M12 x 1. 5 Thread AF810 M12 02 ST 810 M12 02 ST This Aeroflow Performance metric extension adapter with the option of three 1 8 NPT ports are designed for adapting oil pressure and temperature gauge sensors. It includes two 1 8 NPT plugs to block of unused ports. Available in three common metric sizes M12 x 1. 5mm, M14 x 1. 5mm and M16 x 1. 5mm. This adapter is made from steel and coated in black