National Hardware Anchor Shackle, Working Load Limit: 1100 lb, 316 Grade, Trade Size: 1/4 in, Inside Length: 1-1/32 in, Inside Width: 25/32 in, Wire Diameter: 1/4 in, Width Between Eyes: 1/2 in, Pin Type: Screw, Pin Diameter: 5/16 in, Pin Material: Stainless Steel, Stainless Steel, Suitable for: Rope or Chain, Includes: Removable Screw Pin