... 4.High quality pp cam and groove coupling cap1.Type:A~DP2.Standard:EN,DIN, OEM3.Material:pp,nylon ... High qualityPolypropylene (PP) quick release camlock couplingsTypeDescriptionSizeMaterialThreadA typemale adapter x female thread1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass, ... ,Nylon,Aluminum,Brass,Stainless steelBSPP,BSPT,NPTD typefemale coupler x female thread1/2" ~ 8"Polypropylene,Nylon,Aluminum,Brass ...