103 Hexagon socket head male connector KQ2S P.104 Male connector KQ2H P.104 Universal male elbow KQ2V P.105 45° male elbow KQ2K P.105 Extended male elbow KQ2W P.105 Male elbow KQ2L P.104 P.106 Male branch tee KQ2T P.106 Branch “Y” KQ2U Male run tee KQ2Y P.106 Variations Metric Size Uni One-touch Fittings Internal hexagon socket allows tightening with a hexagon wrench in confined spaces. Hexagon head of the body allows tightening with a box wrench in confined spaces. Basically, it is used together with male elbow. Different point is that it is used for fittings to avoid interfering with each other by making the piping multi-level. Use to pipe a female thread at a 45° angle. The model between the male connector and male elbow. Use to pipe a female thread. Most general model. Use to branch a female thread. Use to pipe a female thread at right angles. Most general model. Use to branch a female thread at both 90° angles. Use to branch a female thread at a 90° angle.