Buck Bombs 180-Day Estrus works to attract bucks at any point during the rut. Made with a special blend of all-natural estrus, so it remains effective your entire hunting season. For use in mock scrapes to keep trophies coming back. Includes two spike wicks and is compatible with Buck Bombs Detonator retractable scent wick. 4 oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Baits & Lures.