K3 Chuck Key, Pilot Size 5/16 in, Steel, Nickel Thumb Grip, Soft Steel Handle, Jacobs, Mfr#: JCM13700P20

Drill Chuck Key, Type K3, Key Size K3, Pilot Size 5/16 in, Handle Type Thumb, Material – Machining Steel, Features Nickel Thumb Grip Increases Leverage and User Comfort, Soft Steel Handle Limits Potential for Dangerous Fracturing Under Excessive Load, For Use With 3, 34 Series, 14N