Gem Setting Gauge

• Comprising of 18 conical gem guages
• Each hardened steel with blue plastic handles
• Marked in mm 1 to 5
• Carat points 1/2 to 50 for checking the size of the stone seat
• (Carat point) sizes include:

1.00mm (1/2), 1.38mm (1), 1.63mm (2), 2.00mm(3), 2.13mm (4), 2.25mm ( 5), 2.38mm (6), 2.50mm (7), 2.63mm(8), 2.75mm(9), 2.88mm (10), 3.00mm (11), 3.13mm (12), 3.38mm (15), 3.50mm (17), 3.88mm(20), 4.00mm(25), 5.00mm(50)Stone gauge with 18 holes marked in both points and millimetres (1/2 50 points 1-5mm).The unit consists of 18 gauges in the sizes for measuring the cut for the stone to sit in.Setting burrs (ref: 119257 and size) with a 90 degree angle are available for cuttinga perfect seat corresponding to the measured size of the gem setting gauge.