The Mantus Bow Roller is designed to fit an anchor of any design. When combined with the Anchor Mate, it provides an ultimate solution for anchor storage.Rugged mirror-polished 316 stainless steel constructionSlotted delrin rollers align the chain before it enters the windlass to avoid chain skippingSlotted roller housing allows for custom configurations to guarantee a perfect anchor fitEasily integrates the Anchor Mate