Ring Stick Aluminium Universal 4 Marking 1-36, 41-76

Brass Millimetre Gauge

Gauge Micrometers

Gauge Micrometers

Gauge Plastic for Diamonds and Pearls (Anchor Brand)

SKU: 184

Reverse side is metric carat measurement.Capacity: Diamond - 0.02 to 6 carats Pearl - ½ to 40 grains

Gauge Vernier 5” – Metal

SKU: 186

Nickel plated steel with roller adjustment. One edge is graduated in inches reading ½” in ½” in 1/16” divisions and other edge in metric scale from 0 to 120mm in 1mm divisions.

Gauge with 4 arms

SKU: 181

For measuring diamonds and stones. Capacity 0.10 to 4 carats

Metal Pocket Birthstone Gauge

SKU: 680

K&B Diamond and Stone Gauge. Measures loose or mounted stones from 3 points to 4 carats. Birthstone chart on reverse.

Diamond Tools & Supplies, Gauges

Oval Gauge for Stones

SKU: 765

Width: 55 mm; capacity 0.01 to 4 carats; total 17 sizes. Tiny pocket-sized will help you determine size of round shaped stones.

Precision Micrometer 0 to 25mm

SKU: 781

Carbide tipped measuring faces parallel, ground and lapped. Stainless steel spindle for rust prevention, heat resistant grips and calibration is laser etched.