... .lightweight,economicPolypropylene (PP) quick release camlock couplingsTypeDescriptionSizeMaterialThreadA type male adapter x female thread1/2" ~ 8"Polypropylene,Nylon ... ,Brass,Stainless steelBSPP,BSPT,NPTF typemale adapter x male thread1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass ... Adaptors,DSP symmetricque Coupling,Bauers,clampsPP Male Part B Polypropylene female camlock coupler with lock levers