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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

Ade Advanced Optics 1-12x30 Rifle scope Crusader Gunsight Rifle Scope Mildot

+ 2 reviews

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

+ 3 reviews

Portable Handheld Polariscope with Desktop Led Light

Ade Advanced Optics 6-25x56 Long Range Riflescope 35mm tube Rifle Scope Mil-Dot bar Side Focus

+ 4 reviews

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

External Monochromatic Yellow Light Gem Refractometer, Gemological

Conoscope Interference Sphere Ball for Polariscope. Wide 15mm Lens. Gemstones

+ 2 reviews

Conoscope Interference Sphere Ball for Polariscope, gem testing, gemstones.

Monochromatic Light source for Gems Refractometer. Gemstone Gemological Testing

+ 4 reviews

Pocket Diffraction Grating Spectroscope Gem Tool USA

10x21mm Triplet LED Illuminated Jewelers Magnifier/Loupe

+ 1 reviews

Clinical Veterinary Refractometer Serum Protein Urine SpecificGravity RHC-200ATC

Most Accurate Sea Water Salinity Refractometer for Aquarium, 0% - 10% Hydrometer

Alcohol Water Grape Wine Refractometer 0-80% ATC #1 AdeAdvancedOptics RHW-80ATC

Calcite Dichroscope, GEM tools, Made in USA

+ 1 reviews

Medium Diffraction Spectroscope Gemological Gem USA