For setting precise plunge depth on my router, I often use a gauge of the same thickness as the desired routing depth.
With this base, you can convert almost any rotary tool into a miniature plunge router for fine detail work, allowing precise depth control for
Veritas Plunge Base for Rotary Tools
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800W Max Torque Variable Speed 30,000RPM Compact Router with Collets 1/4 & 3/8 1x Plunge Base & 1x Tilt Base
Set calipers quickly with this gauge
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