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Set of Two Jacobs Drill Chucks with 1/2" Straight Shanks and Keys 0-3/8" and 1/16" - 1/2" Capacity for Lathe and Drill Press - - Amazon.com
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MILWAUKEE Drill Chuck: Keyed, Jacobs Taper Mount, JT3 Mounting Size, Key # 48-66-3160 - 2Y338|48-66-2085 - Grainger
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Amazon.com: Jacobs Drill Chuck 3/64" - 1/2" 1.5-13 mm Capacity with MT2 Morse Taper 2 Arbor & Key for Lathe Tailstock Drill Press : Tools & Home Improvement
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