High quality muaj zog magnet yas ntsuj plig theem 'meter'

feature:

1, Peb tsau vials (90, 180, 45) nrog

2, High tej yam poob siab pov thawj theem

3, muaj zog yas ncej

4, Magnet daim kab xev rau hauv qab.

5, V-zoo li tus hlau groove zoo tagnrho rau cylindrical chaw

6, Lawv yog cov zoo nce qib khoom rau cov khoom plig.