One FT140-43 Toroid Core

Brand: Fair-Rite

AL=885 +/- 20 %      uH=(AL*Turns2)/1000

Wideband Transformers 5 - 400 MHz
Power Transformers 0.5 - 30 MHz
RFI Suppression 5 - 500 MHz

OD= 1.400 in / 35.55 mm +/- 0.75 mm
ID = 0.900 in / 23.0 mm +/- 0.55 mm
Ht = 0.500 in / 12.7 mm +/- 0.50 mm

From bulk packaging, not in retail packaging.