Bow roller for anchor with coupling plate for perfect closure of the hull hole. This system makes the plate strike against the roller preventing water from leaking into the forepeak. The roller is designed to match the Trefoil anchor for a combination of high-level products in style and performance. The system can be easily installed by 4 studs behind the roller and is fitted with two sheaves for smooth sliding of the chain. Entirely made of mirror-polished AISI 316 stainless steel. It is recommended to install it on the chain by means of the Twist joint 01.738.01. Windlass ideal pull angle at 5° / 20° from the roller horizontal axis.