Induction coils, set of 3

Coil length: 130 mm each
1 Coil with 50 turns - 6 cm2 cross-sectional area
1 Coil with 50 turns - 12 cm2 cross-sectional area
1 Coil with 3x50 turns - 18 cm2 cross-sectional area
Connection: 4-mm safety jacks on each coil