Neilsen 6pc Wood Square Auger Drill Bit Woodwork Mortice Hole Cutter Set Auger Drill Set - 4pc Square 4pc Square Auger Drill Bit Set Sizes : 6 | 10 | 13 | 16mm Mortising Chisels - use with mortise machines to cut square recesses. Ground and Polished with Honed Edges.
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