Orientation Gauge Prop 65 - Beryllium-Nickel-Lead the cutting surface remains consistent

the cutting surface remains consistent throughout the life of the tool

These drills are not suitable for glass

gems sparkle

providing a secure hold for filing

Pre-fill the hinge cavity to about 1/8" (3 mm) with heated Thermo-Loc along the length you need

Orientation Gauge Prop 65 - Beryllium-Nickel-Lead the cutting surface remains consistentThe Otto Frei Jewelers Orientation Gauge was developed with goldsmith Doug Zaruba to make layout and symmetry checks fast and repeatable at the bench. Use it to find centers, set precise angles, and verify straightness like a machinist's square. Clear acrylic with an etched 2. 5 mm grid lets you see the work while you align. Small rubber feet grip smooth surfaces for stable scribing and measuring. Made in the USA. Features Find centers, lay out