Stainless Steel U Loop 15/32" Screw Pin Anchor Chain D Shackle for Boats
D shackle also known as a screw pin chain shackle, D-shackles are narrow shackles shaped like a loop of chain, usually with a pin or threaded pin closure.
D-shackles are very common and most other shackle types are a variation of the D-shackle. The small loop can take high loads primarily in line. Side and racking loads may twist or bend a D-shackle.
