Vibration white finger: 300,000 UK workers at risk What is vibration white finger or hand arm vibration syndrome (HAVS)? A. A mild skin rash that will go away B. A serious skin condition that will not clear up C. Severe frostbite 4 early HAVS symptoms that need urgent intervention Cardinus Vibration White Finger The Safety Brief Useful Facts on Vibration White Finger Raynaud's Association Hand Arm Vibration Syndrome Causes and Prevention NASP