The Jacobs 33348 Drill Chuck Is a Plain-Bearing Chuck From The 2 Series. Model Number: 33348. Jacobs Keyed Drill Chuck. Jacobs 2-01 3/8 C&K 3/8" Keyed Drill Chuck. Mount Type: 1JT (Jacobs Taper). Material: Steel, with through-hardened sleeve teeth and hardened nose for durability and wear resistance.
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