The three socket tee is designed to create a 90-degree joint between two pipes. This item allows for a secure joining of a top rail to an intersecting bottom rail. Three screws are included with this fitting to secure both pipes within the fitting. Unique slip-on connection that only needs an allen wrench to secure. Construction allows for indoor & outdoor modular projects. Easy disassembly for transportation or modification of project. Stainless steel screws included with each fitting. Electrophoretic coating for corrosion resistance. Color/Finish Family: Black. Manufacturer Color/Finish: Black. Sub Type: Tee. Type: Fitting. Diameter (End 1): 3/8-in. Diameter (End 2): 3/8-in. Diameter (End 3): 3/8-in. Weight (lbs.): 0.37. Connection Type (End 1): Socket. Connection Type (End 2): Socket. Connection Type (End 3): Socket. Degree of Angle: 90. For Use with RVs: No. Material: Black iron. Maximum Working Pressure (PSI): 0. Threaded: No. CA Residents: Prop 65 Warning(s): Yes. Safety Listing: Not safety listed. UNSPSC: 40171500.