Ring terminal
1. Conductor section: 0.5-1.5 squar mm    A.W.G.22~16    Max: 19A   
     meterial :copper      thickness: 0.7mm
2. Conductor section: 0.5-2.5 squar mm    A.W.G.16~14    Max: 27A   
     meterial :copper      thickness: 0.8mm
3. Conductor section: 2.5-    4 squar mm    A.W.G.14~12    Max: 37A   
     meterial :copper      thickness: 1.0mm
4. Conductor section: 4   -  6 squar mm      A.W.G.12~10    Max: 19A   
     meterial :copper      thickness: 1.0mm

For more detail please feel free to contact me, thank you.