Application: Perfect for offshore or bay anchoring where anchor chain is used. Easily attatchable buoy to release anchor. High-quality Materials: The Anchor retrieval ring is made of marine grade stainless steel 316, which is wear and rust resistant, durable and suitable for harsh marine environments. Function: Makes taking anchors easier - especially when fishing in deep water or changing fishing spots frequently. Welded Rings: This ring has two rings that are welded closed at the top, so there is no worry about the rings bending open. Size: Diameter 53/8in (137mm), Thickness: 5/16in (8mm), the distance between the outer welding ring is 24mm/0.95in (recommended to use the 4in clip not included). Item Type: Anchor Retrieval Ring Material: 316 stainless steel, polished Package List:1 x Anchor Retrieval Ring