Drill Chuck Key for Jacobs No.34 /B, No.3A /B, No.6A /B, No.14/14N, S10, K3 ~;;

(D) Jacobs No.14N & 14 (Super Chucks) photo #5 & #6. This chuck key will fit those Jacobs Chucks previously manufactured at Sheffield, (England) or Hartford (Connecticut, USA) and probably also the more modern type 34-02 and 34-06 Jacobs Chucks made in China.

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