Plugs let you fill a pipe end that does not end in a fitting. The plug works by hammering the plug into the pipe end and then you re done. With the plug inserted, you can protect floors from sharp pipe corners and give pipe ends a decorative look. 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: Plug Type: Fitting Diameter (End 1): 3/4-in Weight (lbs.): 0.1 Connection Type (End 1): Socket 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