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LENOX - Hole Saw Arbor, Standard, Arbor Number: 1L, Hollow Hex Shank size: from 1/2" and up, 9/16 to 1-3/16" Hole Saw Diameter, 4-1/4" Pilot Drill size, fits Hole Saws: 9L-19L, 6" Length, Carbon Steel
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1.888.467.7626