- Nickel Thumb GripStyles Increase Leverage and User Comfort.
 - Soft Steel HandlesLimit the Potential for Dangerous Fracturing Under ExcessiveLoad.
 - Self-EjectingModels with Spring-Loaded Ejectors Ensure Key Disengagement AfterTightening.
 - Never ApplyExtensions, Pliers, Wrenches or 'Cheaters' of Any Kind to Chuck KeyHandles.
 - Do Not SubjectChuck Key Handles to Hammer or Other Impact Blows.