Check the listing for details. 5 Large Copper Wire Wound Ferrites, Chokes Filters,Toroids Inductors Electronics. Condition: New. Listed at 6.99 USD. 2843aXB3C.14 New Large Tiger Copper Wound Ferrite Chokes, or Toroids, or Inductors, Part Number 142-5100207-00L. Each bid quantity is for a Lot of Five (5) Chokes. You may bid / buy any number of lots, up to the total quantity available above. These were purchased at a supplier liquidation earlier this year, and they were brand new in the original factory boxes. We packaged them in heavy Ziplok bags for resale. According to the calipers: Overall diameter: .935" / 23.74 mm Coil width: .365" / 9.26 mm Mounted height: .874" / 22.21 mm Ferrite core outside diameter: .812" / 20.62 mm Ferrite core inside diameter: .479" / 12.18 mm Ferrite core width: .264" / 6.70 mm Solder leads: .044" diameter x .584" long (1.12 mm diameter x 14.85 mm long) Solder lead spacing: .338" / 8.58 mm OC (on centers) Wire gauge: 17 AWG (.045" / 1.15 mm) Wire material: Copper Ferrite material: Ferrous metal (attracts a magnet)