Quick Coupling type B: 1.Good quality, reasonable price. 2.Material:brass,aluminium,SS 3.size:1/2,3/4,1,1-1/4,1-1/2,2,2-1/2 Quick Coupling type B: size:1/2,3/4,1,1-1/4,1-1/2,2,2-1/2,3,4,5,6 material:Aluminium Alloy, Brass.Stainless steel Feature:Better sealed, safe and reliable connections without leakage.Connection between the linkers and insert bodys has interchangeability.You can connect ...