Både
IRON 647
- length: 6.52 m
- beam: 2.44 m
- engine: 115-200 hp
- max_speed: 40-46 kn
IRON 707
- length: 7.12 m
- beam: 2.44 m
- engine: 150-225 hp
- max_speed: 40-48 kn
IRON 767
- length: 7.67 m
- beam: 2.44 m
- engine: 200-300 hp
- max_speed: 45-50+ kn
IRON 827
- length: 8.32 m
- beam: 2.44 m
- engine: 250-450 hp
- max_speed: 40-55+ kn