Mantus bow roller is an anchor bow roller designed to fit an anchor of any design and when combined with the anchor-mate provides an ultimate solution for anchor storage. Rugged 316 stainless steel construction Beautiful Mirror Polish Slotted delrin rollers designed to align the chain before it enters the windlass to avoid chain skipping. Slotted roller housing allows for a endless custom configurations to guarantee a perfect anchor fit. Easily integrates the anchor-mate Specification Small Bow Roller - Boats 20 - 34ft Medium Bow Roller - Boats 34 - 45ft Dimensions See attached images Models Mantus Bow Roller Small Mantus Bow Roller Medium Mantus Bow Roller Large Mantus Stainless Steel Stern Roller