Package list: 1 x Refractometer(with A Box) 1 x Pipette 1 x Screwdriver 1 x Cleaning Cloth 1 x User Manual Features: 1. Made of high quality aluminum, heavy duty and durable. 2. 3 in one hand held refractometers, with mesure range 0-25% Vol, 0-40% Brix and 0-22 Baume. 3. Accurate test results, easy to calibrate. You can measure the brix &baume& alcohol content accurately in seconds! 4. Soft, non-slip rubber handle, ensure a comfortable grip. 5. Suitable for restautant, Vineyard, Chateau wine, family dinner etc. Specification: Condition:100% Brand New Material: Aluminum Color: As Pictures Shown Measurement range: 0-25% Vol, 0-40% Brix, 0-22Baume Length: approx.15.5cm/6.1in Middle Diamter: approx.2.9cm/1.1in Maximum Diamter: approx.3.9cm/1.5in Weight: Approx.230g/8.1oz Using Instruction: 1. Open the cover plate, use a clean cloth to wipe the prism. 2. Take a few drops of testing liquid to the detection prism, then close the cover plate slowly to avoid producing bubbles which will make the liquor spread all over the prism surface. Suitable for restautant, Vineyard, Chateau wine, family dinner etc 3 in one hand held refractometers, with mesure range 0-25% Vol, 0-40% Brix and 0-22 Baume Accurate test results, easy to calibrate, You can measure the brix &baume& alcohol content accurately in seconds Soft, non-slip rubber handle, ensure a comfortable grip Made of high quality aluminum, heavy duty and durable