Wichard 4mm Self-Locking Bow Shackle The Wichard 4mm Self-Locking Bow Shackle is a compact, forged stainless steel shackle built for secure, corrosion-resistant connections in marine rigging applications. Made from 316L stainless steel, this shackle offers excellent strength and durability in a clean hardware package. The bow shape gives you more room than a standard D shackle, making it a great choice when attaching multiple lines, cables, blocks, pulleys, or custom rigging components. Wichard’s self-locking pin design helps prevent the pin from backing out under vibration, making it a dependable option for offshore and marine use. Key Features 4mm self-locking bow shackle Forged 316L stainless steel construction Self-locking pin helps prevent loosening from vibration Bow shape provides extra room for attaching lines or hardware Strong working and breaking loads for its size CE marked Great for blocks, pulleys, outrigger rigging, teaser systems, dredge rigging, and custom marine hardware Manufacturer part number: 1241 Specs Diameter: 4mm Material: 316L stainless steel Weight: 9g Working Load: 320kg / 705 lb WLL: 140kg / 309 lb Breaking Load: 700kg / 1,543 lb The Wichard 4mm Self-Locking Bow Shackle is a small but strong hardware option when you need a secure connection point with extra room for lines, loops, or multiple rigging components.