Attributes . Coupling has Lugs for Tightening; The Stem is Expanded to Nominal Inner Diameter of hose for a rigid, Uniform, Full-Flow Area; Couplings are Compact, Light and Streamlined to Eliminate Catching on Curbs and Shrubs; Couplings are Pre-lubricated for Assembly; Stems are Machined from Bar Stock or Solid Brass Forgings . Names