Magnum Media PRB-32ATC 0.0-32.0% PROFESSIONAL ATC Brix Refractometer Wine Beer WORT Sugar, SUPER HEAVY DUTY! Magnum Media PRB-32ATC () SUPER HEAVY DUTY Brix Refractometer! Over 1/2 Pound of Beefy Awesomeness! 10 Year Warranty! UNSURPASSED QUALITY! 0-0-32.0% Brix Refractometer - BIG PRINT SCALE! 0.2% Intervals and +/-0.2% Accuracy Comes with a Black Plastic, Foam-lined Case, Calibration Screwdriver, Plastic Transfer Pipette, A Wiping Cloth and a clearly written Users Guide DURABLE AND HIGH QUALITY: (1) Rust-Proof, Stainless Steel Day Light Plate Pins, (2) Aluminum Link Pre-Daylight Plate, (3) Thick Gauge Aluminum Refractometer Barrel, (4) Metal Daylight Plate Collar, (5) Big Print Scale. These are unprecedented upgrades of quality! Automatic Temperature Compensation Range of 50-86'F (10-30'C)