... manufacturer supply free sample durable CAMLOCK COUPLING/QUICK COUPLINGStainless steel quick coupling type A,B,C,D,E, ... ASMEB16.10 (JISB2002),API 6D, DIN3202, ASME B16.25End Connection Std.: ASME B16.5,ASME B16.47, JISB2212-JISB2214, ... 90,tee,cross,union,cap,socket,coupling,plug,nipple,bushing etc.3.Quick coupling: type A,B,C,D ... for customers special demands. quick connect hose coupling fittings