Feature High Quality: Made of 304 stainless steel, higher hardness, moisture-resistant, acid and alkali resistant, anti-rust, glossy and bright surface, non toxic, and harmless. Solid design, abrasion resistant, strong load-bearing. Use: Screw pin anchor shackles, used for coupling chain and wire rope for camping, hiking and other outdoor sports. Advantage: One-way screw, bolt design is more robust compared to traditional plastic buckle, easy and convenient to use. 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 and etc. Specification Product Name: Screw Pin Anchor Shackle Type: Bow Shape Color: Silver Material: 304 stainless steel Model: 1/4 inch (6mm) Inner Eye Length: 25mm Max Inner Eye Width: 19mm Min Inner Eye Width: 13mm Working Load Limit:325kg / 716lbs Breaking Load: 1500kg / 3300lbs Package Includes 20pcs x Bow Shape Screw Pin Anchor Shackle