These dual purpose systems offer sailors the option of either speed or power. They are used for mainsheets on small to medium-sized offshore boats where power is required for effective heavy-air trimming upwind, but speed is crucial for off-wind trimming and mark roundings.

Typical Boat Lenght

• Small Boat: 22' - 28' (6.7 - 8.5 m)
• Midrange: 29' - 34' (8.8 - 10.4 m)
• Big Boat: 35' - 42' (10.7 - 12.8 m)