- Alloy Steel – Quenched and Tempered.
- Individually proof tested to values shown with certification.
- Proof tested with fixture sized to prevent localized point loading per ASTM A952.
- Proof test certification shipped with each link.
- “Look for the Platinum Color – Crosby Grade 100 Alloy Products.”
- Engineered Flat for use with S-1325A coupler link.