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Well-Equipped Shop - Box Joint Cauls

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Box Joint Cauls

Gluing up box joints isn’t an easy task. Clamping across the middle of a box may seem like the best method, but this can cause the sides to bow, leaving gaps between the fingers. Rockler’s solution is to use stepped cauls that apply pressure directly to the fingers on each side of a corner. The result is a tight, gap-free joint.

The cauls come in packs of four and are available in finger widths of 1/4", 3/8" and 1/2". They’re a little over 6" long, depending on the finger size. Band clamps are necessary, but not included.

 

Source:

Rockler, rockler.com, 800-279-4441, 1/4” Box Joint Cauls, #33792, $9.99; 3/8” Box Joint Cauls, #32993, $9.99; 1/2” Box Joint Cauls, #34974, $9.99; Web Band Clamp, #60545, $11.79.