Avery Full Body Goose Replacement Stakes are universal motion stakes that adds incredible motion to your full body goose shells or full bodies without the cost of replacing any decoys. These stakes are made from pre-sharpened 18 inch fiberglass. They feature a stainless steel spring with enough tension to handle event he heaviest shells and full bodies. The sliding disk design keeps your decoys level while giving them motion in a light breeze. Simply drill one small hole in back of any shell style or full body decoy, insert the replacement stakes and see your spread come to life.