******PLEASE DON'T FORGET TO EMAIL ME WHICH ONE YOU WANT AFTER PURCHASING.********

All crystals were made in USA except noted. Each crystal is $30.

After purchasing, send me email specifying your choice.

I will test them for good oscillation before I ship to you.

Free shipping via airmail that takes 7-14 days to most parts of the world from Korea.

Some remote regions may take somewhat longer.

From left to right in the photo

24KHz                1pc    plug in type

25KHz                1pc    plug in type

24.9835KHz       1pc    lead type (Japanese NDK made)

24.9885KHz       2pc    lead type (Japanese NDK made)

25.0110KHz       3pc    lead type (Japanese NDK made)

49.340KHz         2pc   plug in type

100KHz              2pc-2 sold=0 left   plug-in type ***all sold out