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Orientation Gauge - Otto Frei
Otto Frei

Orientation Gauge

Part # 135.100 67 In Stock Weight -- lb / -- g
$46.85

The 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 angles, and check symmetry and squareness
  • Clear acrylic with etched 2.5 mm grid for visibility and accuracy
  • Works like a machinist's square for quick accuracy checks
  • Non-slip rubber feet keep the gauge steady on smooth benches and plates
  • Designed with famed goldsmith Doug Zaruba; made in the USA

Specifications

Overall Size 2-1/2 in × 3-1/4 in (63.5 × 82.6 mm)
Material Clear acrylic
Grid Etched, 2.5 mm squares
Feet Small rubber feet for slip resistance
Use Layout, centering, angle marking, symmetry and squareness checks
Origin USA

Notes

  • Wipe clean with a soft cloth. Avoid abrasive cleaners that can haze acrylic.
  • Store flat to keep the edges true.
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
135.100
Type
Placement Tools
Dimensions
3.25 in x 2.5 in x 0.5 in
Overall Size
2-1/2 in × 3-1/4 in (63.5 × 82.6 mm)
Material
Clear acrylic
Grid
Etched, 2.5 mm squares
Feet
Small rubber feet for slip resistance
Use
Layout, centering, angle marking, symmetry and squareness checks