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If you're tired of the dust and mess from scoring and snapping backerboard, the PacTool SS424 Backerboard Shear is your new best friend.
This beast runs on a 6.
5-amp motor and chews through 1/2-inch thick HardieBacker like butter.
Straight lines, curves, you name it—it handles both with zero dust, so you can work indoors without covering everything in a fine gray film.

Way faster than the old score-and-snap method, and way fewer broken corners too.

This thing is built for the job site, no doubt.
Strong motor, clean cuts, and way less cleanup.

5 out of 5