Stainless Steel D Shackle A stainless steel D shackle is an essential tool to use when working at height. Designed to safely link two pieces of gear together, such as chains or rope to an anchor point, a stainless steel D shackle can lend itself to many industries, including marine and construction work. Made of high-quality stainless steel that’s both robust and resistant to corrosion, the D shackle delivers a long-lasting product that can be relied on for lifting, rigging and sailing-based labour tasks. And, the added strength and weather-resistant design let you work throughout all weather conditions safely and with total confidence in the integrity of the D shackle.