Qhov chaw ntawm Keeb Kwm: Suav teb Hom Lub Npe: JCDRILL Tus Qauv Zauv: B36, B46, B56, B66, B76, B101, B116, B131, B146 Hom: Core Drilling cuab yeej / Accessories Khoom siv: pob zeb diamond / steel Siv: Mining, Geotechnical, Kev Tshawb Fawb Lub npe: Pob zeb diamond Core Drill Bit