English 
Deutsch 
Français 
Español 
Descripción
The Windesign 57 mm Ratchet Mainsheet Block is a high-performance ball bearing ratchet block developed for Optimist, ILCA®, Laser® and other dinghies. The precision ratchet mechanism provides additional grip on the mainsheet, reducing sheet loads while maintaining smooth and controlled trimming, particularly in stronger winds.
Equipped with an easy-to-operate on/off switch, this versatile ratchet block combines excellent performance with outstanding value, making it a popular choice for both club and competitive sailors.
Features
- Genuine Windesign 57 mm ratchet block
- Ball bearing construction
- Switchable ratchet mechanism
- Smooth, low-friction operation
- Excellent value for money
- Suitable for Optimist, ILCA®, Laser® and other dinghies
Specifications
- Sheave diameter: 57 mm
- Maximum line diameter: 10 mm
