5/16" (8mm) Ronstan Single, Becket, loop head Utility Block

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316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Has a becket for extra purchase.


  • Lightweight durable construction
  • Economical
  • Maintenance free

Used for:

  • Vang, cunningham and trapeze retriever systems on dinghies
  • Leech line tackles, bunk adjusters etc on larger yachts
Reference Imperial Metric
Sheave Ø 1-1/8 in. 29 mm
Max. Rope Ø 5/16 in. 8 mm
M.W.L. 660 lb. 300 kg
B. L. 1320 lb. 600 kg
Weight 0.9 oz. 25 g
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