2-1/2 x 2-1/2 Hexagonal Pipe NippleThe 2 1 2 x 2 1 2 Hexagonal Pipe Nipple is a straight pipe fitting designed to connect two female threaded pipes or fittings of the same size. It features male threads on both ends and a hexagonal section in the middle for easy tightening with a wrench. Specification Details TYPE Hexagonal Pipe Nipple DESIGN Hexagonal body for easy installation and removal MATERIAL Steel for long term strength, durability, and corrosion resistance MATERIAL