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Engineered for speed and efficiency in sailing applications.
Lewmar's Single Block with Swivel Head is designed to enhance the performance of mainsheet systems. This block features a scientifically optimized geometry and a Free-Spin bearing that significantly reduces friction, improving efficiency by up to 40 percent compared to standard blocks. The self-aligning head ensures that each component works in harmony with the movement of the rope, facilitating a smoother transfer of power from the deck to the sail while minimizing wear on the rope.
Constructed with a stainless steel strap, this block offers improved strength and a longer service life. The stiff glass fiber reinforced cheeks prevent lines from wedging, ensuring reliable operation under load. Additionally, the block allows for easy switching between swiveling and fixed shackle configurations, providing versatility for various sailing setups. Maintenance is straightforward, making it a practical choice for sailors seeking durability and performance.
Features
- Stainless Steel Strap For Improved Strength And Longer Service Life
- Stiff Glass Fiber Reinforced Cheeks To Prevent Lines From Wedging
- Simple Switch To Change From Swiveling To Fixed Shackle
- Easy Maintenance
Specifications
- Manufacturer: Lewmar
- Manufacturer Part Number: 29925001BK
- Type: Single Block
- Number Of Pulley: 1
- Working Load Limit: 990 Pound
- Line Diameter: 10 Millimeter
- Sheave Diameter: 50 Millimeter
- Cleat Type: No Integral Cleat
- Ratchet And Direction: Non Ratcheting Any Direction
- With Becket: No
- Color: Black
- Material: Glass Fiber Reinforced Cheek
- Mounting Type: Swivel Shackle Mount
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
