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Premium color-coded set-screw screwdrivers are made in Europe. Blades are held tightly with set-screws.

The expandable jaw automatically grips any size or shape of lock nut, hex nut, star nut, cap nut, or round nut.

The Presidium Diamond Mate utilizes proven thermal conductivity testing method to instantly verify the authenticity of diamonds. Test results are indicated by visual light and audible beeps.

Speed up your diamond and gemstone measuring with the high-tech Electronic Gemstone Gauge.

Digital display eliminates eye fatigue when measuring stones over prolonged periods.

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.

Cost effective way to accurately measure gemstones; delivers millimeter read out with instant carat conversion.

Convenient all-in-one handheld instrument that instantly separates diamonds from moissanites and other diamond simulants, based on their thermal and electrical properties.

Replacement 2″ diameter pressure gauge (0-160psi reading) for Reimer’s Jr. steamer (for serial numbers less than 66141)

Acon Pressure Pin assortment #1029 for watch band links. 26 sizes, 4 pieces each size. Sizes range 8.0mm-20.5mm. Refills available separately.

Pressure Pin Refills from assortment #1029. 1.0mm thick. Choose size from drop down menu.

#5 Stainless Steel Economy Tweezers Metal: Stainless Steel Length: 4-1/2″ Point: Very Sharp

For straightening and bending rings, wires, rods and strips. With smooth box joint. Overall length is 6-1/4″, width of jaws 1-1/4″.