This listing is for a set of 2 packs of Loc-Line 41416 T-fittings, which are compatible with 1/4" systems. These T-fittings are perfect for use in CNC, metalworking, and manufacturing projects. They are made from high-quality materials and designed to provide a reliable connection between different components. The brand of these T-fittings is Loc-Line, and they are classified under the "Other CNC, Metalworking & Manufacturing", "CNC, Metalworking & Manufacturing", and "Business & Industrial" categories. These fittings are versatile and can be used for various applications, making them a valuable addition to your tool kit.