Gauges
Measuring range 0-150mm digital caliper. Stainless Steel. Convenient plastic box case. Millimeter or inch readings. Easy on/off button.
Fits wheels with 1/4″ hole size, up to 3″ in diameter and 1/2″ thick. Popular for use with rubberized abrasives.
Ring Finger Sizing gauge measures US ring sizes for Comfort Fit style rings and bands. Gauge ranges from ring sizes 1 – 15 in half size increments. 29 pieces total.
Cost effective way to accurately measure gemstones; delivers millimeter read out with instant carat conversion.
The Presidium Gem Tester II (PGT II) features a clear and direct analog display for a quick way to identify diamonds/moissanite and separate up to 15 common colored gemstones from one another based on their thermal conductivity. It still features a retractable probe tip that ensures consistent pressure against the gemstone during tests resulting in more reliable results. With the industry’s thinnest probe tip size of 0.6mm, the PGT II tests gemstones as small as 0.02ct.
Enables you to accurately scribe cutting lines when reducing ring sizes. The 12 sizes are graduated in quarter ring sizes from 1/4 to 3. Mark and cut the correct size every time.
Aluminum pocket gauge for measuring loose stones and settings ranging from.03 to 4 carats. A birthstone chart is embossed on the reverse side.
Our gauges are nickel-plated for years of use at the retail level. Graduated in U.S. Standard half-sizes. Half-Round size 1 to 15
Our 4-3/4 lug gauge gives you the exact measurement you need to determine the distance between watch lugs for spring bars bands or bracelets.
The portable GemOro SUREgauge XL has a measuring range of 0-25mm/0-1″ with a precision accuracy of 0.01mm/0.0005″.
For use with wheels having 1/16″ arbor holes. Sold by dozen.