Brass Sliding Gauge-Made in Germany Cohler precise solution for controlled hole

precise solution for controlled hole drilling without the need for power

Separate motor and handpiece layout keeps the working end light and maneuverable at the bench

Built from thick steel plate and engineered for rigidity

Emphasis on the science and calculations underlying goldsmithing practice

Summa Point 663 — Wheel with square edge

Brass Sliding Gauge-Made in Germany Cohler precise solution for controlled holeThese are the last of the made in Germany brass sliding gauges as the factory has closed. The original sliding brass gauge is beautifully made in Germany. Engineered for everyday use on the jeweler's bench, this classic tool slides firmly yet easily so measurements once made stay in place for accurate, hassle free reading. Each gauge measures both inside and outside diameters, with inches displayed on the top line and metric on the bottom line giving