Koflo 3/16-27 316 SS tube mixer; 3/16" OD; 27 elements., Mixer Length (in)7.5, Pipe Id (in)0.13, Mounting Type0.1875" plain end, These mixers consist of a series of fixed right- and left-hand elements. Tube and mixing elements are made of 316 stainless steel—ideal for mixing high-viscosity fluids such as epoxies. Mixers have plain ends and accept standard tube fittings