Made of 316 stainless steel, higher hardness, moisture-resistant, acid and alkali resistant, anti-rust, glossy and bright surface, non toxic, environmentally friendly and harmless. Solid design, abrasion resistant, strong load-bearing. Stainless d shackle opening and closing is done simply by rotating the pin half a turn Anchor long D shackle used for coupling chain and wire rope for camping, hiking and other outdoor sports. The best use of connection accessories, apply to a variety of boat or household applications, could be also used in loading and unloading of goods, mining equipment, forestry machinery, land transportation, hoisting machinery. Stainless steel shackle 2045lbs Breaking Load JY-MARINE high-resistance flat “D” shackles are made of forged stainless steel 316 to resist the harsh marine environment,non-rust,sturdy and are perfect for halyards or applications where the shackle has to be open often. Halyard or thimble are attached to the eye, no risk to lose the shackle,No risk to lose the pin as it remains attached.