Shackle Wichard 81432 or equivelent. The following table gives the approximate size of anchor to use. See in descriptions of anchor types to determine which anchor is best suited for your intended use. 20lb Kingston Lightweight or Hi-Tensile Danforth, 38lb Yachtsman, 7.5kg or 10kg Bruce. 34 to 39ft 35lb Kingston Plough, 35lb CQR, 22lb Delta, 35lb Kingston Lightweight or 35lb Danforth Hi-Tensile, 54lb Yachtsman, 10kg Bruce.
Every anchor needs a length of chain attached to ensure proper setting and holding.
Larger boats up to about 35ft. It is important to match the chain and gypsy. We generally suggest using BBB chain for all anchoring applications as it costs only slightly more and allows future conversion to a windlass. It has high strength combined with elasticity - Just the properties needed. Braid is more susceptible to chafe than 3-strand, but coils better in the anchor locker.