Pneuflex's model of SPOC 08-01 is 8mm tubing x R, PT, BSPT 1/8 thread hex socket head male straight stainless steel push to connect fittings, round shaped body with internal hexagon, designed to connect pneumatic tubing of 8mm diameter to R 1/8 female thread in where the installation space is limited. 8mm x R 1/8 stainless steel round male straight push in fittings are made entirely of high grade stainless steel material which can withstand aggressive environment, commonly used in food or pharmaceutical industries.