[18GA]: Thickness 1.02mm, 1/4LB (Approx 15m) [20GA]: Thickness 0.81mm, 1/4LB (Approx 24m) [22GA]: Thickness 0.64mm, 1/4LB (Approx 38m) [24GA]: Thickness 0.51mm, 1/4LB (Approx 60m) [26GA]: Thickness 0.40mm, 1/4LB (Approx 96m) There may be slight differences in color depending on the lot and size
It is a wire that has undergone polyurethane processing on copper wire.