

BT1(+) BT2(-)ZINC ZINC-PLATED
BT1(+) BT2(-)ZINC BRASS-PLATED
BT1B(+) BT2B(-)BRASS
BT1B(+) BT2B(-)BRASS TIN-PLATED
BT3(+) BT4(-)ZINC BRASS-PLATED
BT3(+) BT4(-)ZINC ZINC-PLATED
BT3B(+) BT4B(-)BRASS TIN-PLATED
BT5ZINC COPPER-PLATED
BT5(+) BT5(-)AIUMINUM
BT5(+) BT5(-)AIUMINUM GLOD-PLATED
BT5(+-)BRASS
BT5(+-)BRASS& ZINC BRASS-PLATED
