SteelTek nipples is great for home, business and industrial projects! These nipples are made for fittings perfect for the crafter or the business owner looking to protect their employees. There is no limit on what can be made with SteelTek! Black varnish for corrosion resistance Meets BS1387 Standards This nipple is designed to work with SteelTek 3/4in fitting Manufactured to work with 3/8-in SteelTek fittings Electrophoretic coating for corrosion resistance Color/Finish Family: Silver Manufacturer Color/Finish: Black Type: Pipe Diameter (End 1): 3/8-in Diameter (End 2): 3/8-in Pipe Diameter: 3/8-in Pipe Length: 12-in Weight (lbs.): 0.56 Connection Type (End 1): Socket Connection Type (End 2): Socket For Use with RVs: No Material: Black steel Maximum Working Pressure (PSI): 0 Threaded: No CA Residents: Prop 65 Warning(s): Yes Safety Listing: Not safety listed UNSPSC: 40171500