Gemax Gem Kit Pro-I Contains: - Gem Refractometer - Folding Polariscope - Dichroscope - Spectroscope - S.G. Kit - Chelsea Filter - Digital Scale - LED Base Light - Penlight (Yellow) - UV Key Ring Light - Tweezer (2 pcs.) - Loupe 10X - Gripper/4 Prongs - Polishing Cloth  https://shop.line.me/@sachitools  https://sachitools.com  https://www.lazada.co.th/shop/sachitools ช่องทางการดูวิธีการใช้สินค้า ( VDO )  https://www.youtube.com/@sachitools.com-gemological4924  https://www.instagram.com/sach
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