* : Plateing Spec. on Contact Area
1: Gold Flash
2: Gold Plated 5 Microinch/ 0.127 Micrometers
3: Gold Plated 10 Microinch/ 0.254 Micrometers
4: Gold Plated 15 Microinch/ 0.381 Micrometers
5: Gold Plated 30 Microinch/ 0.762 Micrometers
7: Bright Tin Plated 2.54 Micrometers/ 100 Microinch Min Overall.
8: Matte Tin Plated 2.54 Micrometers/ 100 Microinch Min Overall.