4 x 2-1/2 Red Bronze Hexagonal BushingThe 4 Male Pipe Thread x 2 1 2 Female Pipe Thread Red Bronze Hexagonal Bushing is a heavy duty, corrosion resistant pipe fitting designed to reduce a threaded connection. The hexagonal shape allows for easy installation and tightening with a wrench. Constructed from high quality bronze, this fitting offers superior corrosion resistance, high strength, and durability, making it suitable for marine, plumbing, fire protection, and industrial