The Invincible Marine BR55030 Galvanized 1/4-Inch Anchor Shackle is made of galvanized steel and features loop-end screw pins. This versatile clevis has dozens of applications, including marine, agricultural and industrial uses. In fact, this product is used with most round pin shackles, and is easily attached and detached. with a hole in the pin of the anchor shackle, it allows for the shackle to be wired shut. A durable stainless steel clevis, this screw pin is used as hardware for the eye of a nylon lifting sling, and protects polyester round slings from wear and tear. This product provides an outstanding, economical performance, and defends against water, food and chemical corrosion. Whether you're outfitting your boat for the first time, or replacing well-worn nautical parts, this product is an essential accessory for your boating and domestic needs, and is perfect for nautical journeys and mechanical maintenance. Precision and reliability are the marks of quality that this product has proven time and time again, guaranteeing steadfast performance with each use. The Invincible Marine BR55030 Galvanized 1/4-Inch Anchor Shackle comes with a 1-year limited warranty and protects against manufacturing and workmanship defects. Rugged, tough and reliable, Invincible Marine is well-known for their hardworking nautical line. for freshwater and saltwater boating, Invincible Marine designs products for avid fishermen and weekend boaters. Quality, utility and innovation go into every Invincible Marine product giving you more time on the water.