~ all shackles meet or exceed federal specification rrc-271d ~ working load limit and traceability codes shown as permanent marking on body and pin ~ available in painted, galvanized and self-colored finishes (dacromate c......~ all shackles meet or exceed federal specification rrc-271d ~ working load limit and traceability codes shown as permanent marking on body and pin ~ available in painted, galvanized and self-colored finishes (dacromate coating upon special request only) ~ all shackles have alloy quenched and tempered pins ~ shackles made from technically advanced microalloy material ~ load break tests consistently show microalloy outperforms quenched and tempered carbon material