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Irwin Micro-Dial No. 22 expansive wood bit (93-603-029) - $20 SOLD

Irwin advertised this bit as capable of boring 35 standard size holes. Drills holes from 7/8" to 3". Includes the original plastic sleeve and both of the cutters needed to bore the full range of holes. This one has seen very little use, and all of the cutting edges are sharp. About 8 1/2" long. The shaft is straight. Fits in any brace that accepts square tapered shanks. Instructions on back.