... ,economicPolypropylene (PP) quick release camlock couplingsTypeDescriptionSizeMaterialThreadA type male adapter x female thread1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass,Stainless ... Polypropylene,Nylon,Aluminum,Brass,Stainless steelBSPP,BSPT,NPTD typefemale coupler x female thread1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass, ... Male Part B Polypropylene female camlock coupler with lock levers