Winch dampeners should be applied to the winch cable whenever winching. The dampener aids to prevent the winch cable from behaving uncontrollably if the line breaks. The dampeners material and weight has been engineered to survive service in wet and dirty environments. A safety must for all four wheel drivers using cable winches. WINCH DAMPENER FEATURES PVC material weighted to effectively dampen a broken winch cable or rope High visibility reflective strips on both sides of the dampener Heavy duty high quality Velcro to secure the dampener into position 3 Year Australian Warranty!