Size: 4 Pcs 5/16"(8mm) Screw Pin Anchor Shackle, one-way screw, bolt design, more robust, easy and convenient to use, Opening Width: 3/5" (17mm), Working Load Limit: 530kg / 1168lbs, Breaking Load: 2200kg / 4850lbs.

High Quality: Made of 304 stainless steel, higher hardness, moisture-resistant, acid and alkali resistant, anti-rust, glossy and bright surface, Solid design, abrasion resistant, strong load-bearing, Connect loose ends of cables, chains, tow straps and snatch blocks.

Use: Screw pin anchor shackles, used for coupling chain and wire rope for camping, hiking and other outdoor sports, Great for boats, jeeps and other applications for tie downs, towing and sailing hardware.