Jacobs® 3651D Chuck Key, 5/16 in Pilot, K3 Key Number, Steel
Item #BC003187
Jacobs® Chuck Key, 5/16 in Pilot Dia, Key Number: K3, Steel
- 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
- Thumb handle