![Ronstan Series 30 Block - Single - Loop Top [RF280] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/55161XL_650x.jpg?v=1677092470)
Product Details
Series 30 Block - Single - Loop Top
Features:
- Maintenance free
- Economical
- Lightweight durable construction
- Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance
- Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase
Applications:
- Vang, cunningham and trapeze retriever systems on dinghies
- Leech line tackles, bunk adjusters etc on larger yachts
Materials:
- UV Stabilized Acetal sheave
- Grade 316 stainless steel cheeks
Specifications:
Sheave Ø:29mm(1-1/8")
Max. Rope Ø:8mm(5/16")
M.W.L.:300kg(660lbs)
B. L.:600kg(1,320lbs)
Weight:20g(0.7oz)
![Harken 29mm Carbo Air Block w/Swivel [340] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/79079XL_{width}x.jpg?v=1677111355)
![Barton Marine Single Fixed Eye [N00110]](http://roughseasmarine.com/cdn/shop/files/99145XL_{width}x.jpg?v=1733494313)
![Barton Single DO 550 Rope Clutch Cruising Racing Max 12mm Line [81500]](http://roughseasmarine.com/cdn/shop/files/109038XL_{width}x.jpg?v=1748919353)
![Barton Large Snatch Block f/Yachts Up to 40' (12.2M) - Stainless Steel Snap [90401]](http://roughseasmarine.com/cdn/shop/files/109048XL_{width}x.jpg?v=1749439157)
![Barton Marine Size 2 Single Cheek Block [N02160]](http://roughseasmarine.com/cdn/shop/files/99143XL_{width}x.jpg?v=1733494298)
![Barton Marine Size 2 Single Swivel Block [N02130]](http://roughseasmarine.com/cdn/shop/products/99122XL_{width}x.jpg?v=1681855445)
![Harken 40mm Carbo Air Block w/Cam Cleat [2645] - Rough Seas Marine](http://roughseasmarine.com/cdn/shop/products/79744XL_{width}x.jpg?v=1677111363)
