5Pcs/set 1/2"1/4" 3/8" 3/4"5/8" Countersink Drill Bit Hex Shank Mill Cutter Hole Cutter Wood Metal Plastic Chamfering Tools

5Pcs/set 1/2"1/4" 3/8" 3/4"5/8" Countersink Drill Bit Hex Shank Mill Cutter Hole Cutter Wood Metal Plastic Chamfering Tools

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