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