Designed for use with all standard Rage Broadheads, these Replacement Shock Collars are guaranteed to prevent the blades on your broadhead from accidentally deploying. Includes 20 replacement shock collars. Prevents the blades on your broadheads from deploying prematurely Designed to break upon impact Includes 20 replacement shock collars For use with all Rage Extreme, Hypodermic Standard, Rage SS, and 2-Blade SC broadheads Order today!