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Refractometer/Eyeglasses Calibration Screwdriver, Flat Head, for Brix, Salinity, Wort

Ade Advanced Optics Fiber Optical Microscope Optic Scope 200x Light AP CL200

Ade Advanced Optics 35mm low Mounts with Picatinny rails on 3 sides. Rifle scope

Fahrenheit ATC Glycol Antifreeze/Battery Coolant Refractometer RHA-100ATC

Celcius Chart ATC Glycol Antifreeze/Battery/Coolant Refractometer 503ATC

Gem Refractometer Refractive Index Fluid Liquid Oil RI 1.8

+ 4 reviews

45-82% Brix ATC Refractometer For Fruit Sugar Testing

+ 1 reviews

Most Accurate 45-82% Brix Refractometer. High Measuring Range!

Clinical Brix Salinity Wort Refractometer Zipper Soft Case,Carry Bag SOFTCASE

Professional Heavy Duty ATC 28-62% Brix Refractometer for Ketchup, Jam, Jelly

Most Accurate Professional Honey Refractometer 4 Bees Brix, 58%-90% Range

+ 1 reviews

Brix Refractometer-High Measuring Range Honey tester 58%-90%. Beerkeeping, bees

+ 14 reviews

Heavy Duty 35 mm Mounts for Riflescope Rings

Most Accurate Fahrenheit ATC Glycol Antifreeze/Battery Fluid Refractometer Tester RHA-100ATC

New! Optical Fiber Inspection Scope Microscope Universal Ferrule Adapter 2.5mm

Optical Fiber Inspection Scope Microscope Universal Ferrule Adapter 1.25mm Optic

Jadeite/chelsea filter + Ruby filter for gem testing gemstones. 2 items bundle!

+ 3 reviews

Portable Handheld Polariscope with Desktop Led Light

Beer Wort and Wine Refractometer, Double DUAL SCALE - Specific Gravity and Brix

External Monochromatic Yellow Light Gem Refractometer, Gemological