Add to Cart Quick view W H Ferwalt X0139 W.H.Ferwalt Oscillator - Frequency 10.55 kHz W H Ferwalt Was: $14.90 Was: $30.00 W H Ferwalt X0139 W.H.Ferwalt Oscillator - Frequency 10.55 kHz Freq. 10.55 kHz Condition: UsedThis item has been inspected and appears to be in good condition but has not bee 33872 SKU: 33872 Weight: 1.00 LBS