Used for Microscale vacuum distillations, especially for use with 9595 Spinning Band Micro-distillation Column. With outer joint and external thread at one end for making an O-RING-CAP-SEAL type connection with mating male joints, inner joint at other end and 7/10 outer side joint for vacuum connection or stopper when using Spinning Band Column technique. 105 degree angle. Supplied with cap and O-Ring.