The Lewmar 50mm Synchro Single Block is engineered for efficiency and smooth handling on sailboat mainsheet systems. Featuring a Free-Spin bearing and self-aligning head, this block design aims to reduce friction, allowing for easier power transfer from deck to sail while minimizing rope wear.
Key Features:
- Stainless steel strap for enhanced strength and durability
- Glass fiber reinforced cheeks designed to prevent line wedging
- Tool-free sliding swivel locking mechanism
- Sold as an individual unit
Technical Specifications:
- Working Load Limit: 990 lb.
- Maximum Line Size: 0.39 in. (10 mm)
- Weight: 2.36 oz.
- Manufacturer Part Number: 29925001BK
Product facts
- CT SKU
- CT-111146
- Model / MPN
- 29925001BK
- UPC / GTIN
- 743683203749
- Package dimensions
- 1" X 2" X 4"
- Package weight
- 0.4 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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