Giant Pacific Reefract Copper Core Refractometer

Giant Pacific Copper Core Refractometer Heavy duty durable copper core. Faster and more accurate. Easy to focus and calibrate. High quality body construction. Uses ambient light. Cushioned with soft and comfortable non-slip rubber. With ATO function (Automatic Temperature Compensation Range: 10°C~30°C. Durable and long lasting. Included in the box: 1 x ATC Copper core refractometer 1 x Pipette 1 x Mini screwdriver 1 x Cleaning Cloth Parts: Prism Cover plate Calibration screw Rubber grid Eyepiece with focus adjustment