61mm Ferrite Toroid Core 2pcs, 2.4″x1.4″x0.5″ Toroidal Ring for Ham Radio Bal…
61mm Ferrite Toroid Core 2pcs, 2.4″x1.4″x0.5″ Toroidal Ring for Ham Radio Balun Unun, Common Mode Choke EMI RFI Noise Filter, HF Antenna Solar Inverter. AL 6800nH/N2 25% (tested at 1kHz, 0.3V, 20Ts).