Yxp Jewelry Refractometer Filter Chelsea Tools Professional Gemstone Identification for Gemological

الوصف

Specification:Condition: 100% brand newItem Type: refractometerMaterial: ABSrefractive index range: 1.30 to 1.81 RIColor: as the picturesPower supply: 1 * AA batterySize: env.13 * 6 * 3.5 cm / 5.1 * 2.4 * 1.4 inchesWeight: env.720g