Screw pin bow type, meet the standard of US FED SPEC RRC-271D, Made From High Quality, Hot Dip Galvanized Steel, Great For Use In High Load, Anchor Chain Applications. Quick Search:  Anchor Shacklelashing chainDD turnbuckle
Details:
Finish:Anchor Shackles are supplied in hot dip galvanized finish or self-colored. Working load Limit permanently shown on every Anchor shackle.
Shackle Material: High tensile Forged. Quenched and Tempered.
Shackle Size:5/8'' with working load 3.25ton, 3/4''with working load 4.75ton.The two size can be used for lashing purpose.