Founded in 1983 by designer and craftsman John Economaki, Bridge City Tools has long been known for its often unique and always aspirational tools.

Here's an easy way to create precisely fitted lap joints, grooves and dadoes on a table saw, radial arm saw or the Bridge City Jointmaker Pro, using direct reference instead of numerical measurement.

Just calibrate it to your blade's kerf width, then use the mating workpiece to set the distance between shoulder cuts (to a maximum of 2").

To position your workpiece relative to a stop block, place the Kerfmaker between the two and cut the first shoulder.

Then, simply flip the Kerfmaker end to end to place the second shoulder cut in exactly the right location before removing waste between cuts. The result is snug, accurate joinery, without the usual trial and error.

Precisely machined to strict specifications, it is made from anodized aluminum.

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