Product Details
60mm Synchro Block - Single
Lewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling. Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head to reduce friction and increase efficiency by up to 40%, over budget blocks on mainsheet systems.
Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.
Features:
- Stainless steel strap for improved strength and longer service life
- Stiff glass fiber reinforced cheeks to prevent lines from wedging
- Innovative design with “tool-free” sliding swivel locking mechanism
Technical Specifications:
- Working Load Limit - 1760lb
- Weight - 4.06oz
- Maximum Line Size - .39" (10mm)
*Sold as an Individual

![Ronstan Kite Block - Black w/White Sheave (Pair) [RF13101-2] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55071XL_{width}x.jpg?v=1677092424)
![Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55176XL_{width}x.jpg?v=1677092481)
![Ronstan Series 50 All Purpose Block - Single - Universal Head [RF51100] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55253XL_{width}x.jpg?v=1677092525)
![Ronstan Series 30 Block - Single - Loop Top [RF280] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55161XL_{width}x.jpg?v=1677092470)
![Ronstan Series 40 All Purpose Block - Single - Universal Head [RF41100] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55201XL_{width}x.jpg?v=1677092491)
![Harken 22mm Fiddle Micro Block w/V-Jam [244]](http://roughseasmarine.com/cdn/shop/files/79042XL_{width}x.jpg?v=1699443489)
![Barton Single DO 550 Rope Clutch Cruising Racing Max 12mm Line [81500]](http://roughseasmarine.com/cdn/shop/files/109038XL_{width}x.jpg?v=1748919353)
