
Irwin Unibit Drill Bit, #1
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Irwin Unibit Step Drill Bit, #4 3/16" - 7/8"
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Step Drill Bit, 1/4 To 3/4"
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Step Drill Unibit, 3/16" to 1/2"
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Unibit Step Drill Bit, 9/16" x 1"
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