Series 30 Block – Single – Loop TopFeatures:Maintenance freeEconomicalLightweight durable constructionStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenanceHollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchaseApplications:Vang, cunningham and trapeze retriever systems on dinghiesLeech line tackles, bunk adjusters etc on larger yachtsMaterials:UV Stabilized Acetal sheaveGrade 316 stainless steel cheeksSpecifications:Sheave :29mm(1-1/8″)Max. Rope :8mm(5/16″)M.W.L.:300kg(660lbs)B. L.:600kg(1,320lbs)Weight:20g(0.7oz)
“Mercury Gauge Mounting Nut | 52 mm | 11-8M0204699” has been added to your cart. View cart
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![Ronstan Series 30 Block - Single - Loop Top [RF280]](https://www.anchorboltcorner.com/wp-content/uploads/2026/10/ronstan-series-30-block-single-loop-top-rf280.webp)









