For turnback wire rope splicing. Special processed low carbon steel. Turnback terminations have efficiency ratings of 94% based on the catalog-strength of wire rope. Designed for lower temperature toughness. Resists cracking when swaged (equals or exceeds stainless steel sleeves). ColdTuff for better swageability. Stamp for identification after swagingwithout concern for fractures (as per directions in National Swaging IPS or XIP (EIP), RRL, FC or IWRC wire rope.