... in line:Brass Adaptor ,brass coupling ,male and female coupling ,brass quick connect, brass hose coupling, brass connector ,swivel connectir,brass plug etc ... We are professional manufactuer of various fire hydrants ,brass connectors etc.More than 10 year's experiences in ... drawings or samples.Material: BrassFormation:Forging and CastingScrew thread:Female and MaleThread Standard:NPT,BSP othersSize:1/2 ...