Ruby Filter Moore use a 3M light deburring

use a 3M light deburring wheel or medium-grit emery paper

A set screw above the digital readout allows you to lock the bar in place — useful when using the Set button to compare two rings or calculate the exact circumference difference to add or subtract during sizing work

Flat link surfaces enhance light reflection for added brilliance

you are limited only by your imagination and ingenuity

scrubbed clean of smoke and particulate matter

Ruby Filter Moore use a 3M light deburringA ruby filter is a simple yet effective gemological tool used to help differentiate natural rubies from ruby simulants and look alike stones. By altering the way certain wavelengths of light are viewed, it assists in identifying characteristic color reactions during examination. Features Assists in distinguishing rubies from ruby simulants Highlights characteristic color reactions under filtered light Compact and easy to use in bench or field settings