Check the listing for details. ATAGO Official Site Hand Held Refractometer MASTER-RI. Condition: New. Listed at 170.00 USD. MASTER-RI is refractive-index model.It can be used for measuring the refractive index of vegetable oil, petroleum, oil slicks, etc.SpecificationsModelMASTER-RICat.No.2612RangeRefractive index : 1.435 to 1.520Minimum ScaleRefractive index : 0.001Greeting! Thank you for visiting ATAGO official site. We are a leading company of Refractometers since 1940s in JAPAN. We have established our reputation as a trusted brand and enjoys the fullest confidence of end-users not only in Japan but also in 154 countries worldwide. We guarantee...Proudly Made in Japan ProductsFactory Direct Speedy DeliveryQualityDurabilityCustomer SatisfactionGood packing Payment: Paypal OnlyShipment: FedexEstimated Delivery time: 1-2weeks Please feel free to ask any questions. We are available from 9:00-17:30 in Japan time