![Ronstan Series 30 Block - Single - Loop Top [RF280]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ronstan-series-30-block-single-loop-top-rf280.webp)
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)
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