Double anchor chain safety line (universal bridle without chain hook) from Mantus Marine, available in three sizes:
- Small: 16 mm (5/8") for boats with a length of 30 to 40 feet.
- Medium: 19 mm (3/4") for boats with a length of 40 to 50 feet.
- Large: 25 mm (1") for boats with a length of 50 to 70 feet.