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Amazon.com: COMOWARE Forstner Bit Set, 8 Pcs Forstner Bit 1/4” to 1-3/8” for Wood, Round Shank Forstner Drill Bit Set with Storage Case, Cutting Tool for Woodworking : Industrial & Scientific
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Fisch FSA-275091 11/16-Inch Diameter by 5/16-Inch Wave Cutter Forstner Bit - Power Drill Accessories - Amazon.com
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