Rage Outdoor Legacy Shock Collars Fits All 100 Grain Models Except Extreme Series - 15 Pack Rage Legacy Shock collars Help Prevent The blades On Your Rage broadhead From prematurely deploying If You accidentally Bump Your broadhead While On Stand Or stalking. Legacy Shock Collars Fit Any 100 Grain Rage Broadhead And Are Designed To Be Used In conjunction With The O-Ring For Optimal Blade Retention. Legacy Shock collars Break On Impact, So They Will Need To Be replaced after Every Shot. Inspect The Legacy Shock Collar Prior To Use To Ensure Proper Function. Legacy Shock Collar Use Is Optional. Features: - Prevent The blades On Your Rage broadhead From prematurely deploying - Includes Rage Shock Collars Only - Fit: Any 100 Grain Rage Broadhead Except The Extreme Series - Use In Conjuction With The O-Ring For Optimal Blade Retention (Not Included) - Legacy Shock collars Break On Impact And Need To Be replaced after Every Shot - 15 Pack Manufacturer: Rage Outdoors Model: 32300 SKU: KA_61200