Photo 1 of 1/2 Inch x 12 Inch Aircraft Drill Bit (Professional Grade 2 Pack) Extra Long Black Oxide Cobalt Extension Bit - Perfect for Drilling into Sheet Metal, Stainless, Aluminum, Wood, & Copper

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Photo 1 of 1/2 Inch x 12 Inch Aircraft Drill Bit (Professional Grade 2 Pack) Extra Long Black Oxide Cobalt Extension Bit - Perfect for Drilling into Sheet Metal, Stainless, Aluminum, Wood, & CopperPhoto 2 of 1/2 Inch x 12 Inch Aircraft Drill Bit (Professional Grade 2 Pack) Extra Long Black Oxide Cobalt Extension Bit - Perfect for Drilling into Sheet Metal, Stainless, Aluminum, Wood, & Copper