Uploaded March 2026 | Updated September 2026, 2 weeks ago

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Most calipers stop at 6 inches and are graduated in the thousandths.

That works great for small parts…
but furniture and cabinet parts rarely cooperate.

The Woodpeckers BigCal Woodworking Calipers bring machinist-style measurement to the scale woodworkers actually work at.

With up to 24" of capacity, BigCal lets you measure inside and outside dimensions on large parts with the same physical reference you get from a small machinist’s caliper.

The jaws align perfectly between inside and outside references, so when you transfer a dimension it stays exactly the same—no slip, no wiggle.

Flip it over and the reverse-reading scale lets you check the depth of mortises, pockets, and grooves, then transfer that dimension directly using the scribing notch.

And when you need it, the fixed jaw locks at zero so BigCal doubles as a T-square.

Machinist precision.
Furniture scale.

Woodpeckers BigCal Calipers
Because furniture projects aren’t built six inches at a time.

Link: woodpeck.com/big-cal.html

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