Tension you can rely on.

Turnbuckle for tensioning lashing chains
Shortening hook with safety catch integrated in the tensioner for shortening the lashing chain to the desired length
Clevis system for connecting the tensioner to the lashing chain in single-part lashing systems
Eyelets integrated in the tensioner for attaching an (optional) safety chain
The tensioner is designed for direct lashing – frictional lashing and lifting are not permitted