Jacob’s S-K3C Self-Ejecting Chuck Key is used on 3， 34 Series and 14N Chucks. A soft steel handle limits the potential for dangerous fracturing under excessive loads. This thumb grip style of key increases leverage and user comfort while the spring-loaded ejector ensures disengagement after tightening.
- Nickel thumb grip styles increase leverage and user comfort
- Soft steel handles limit the potential for dangerous fracturing under excessive load
- Self-ejecting models with spring-loaded ejectors ensure key disengagement after tightening
- Never apply extensions， pliers， wrenches or cheaters of any kind to chuck key handles
- Do not subject chuck key handles to hammer or other impact blows
- Used on 3， 34 series and 14N chucks
- Thumb handle
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