5/16" (8mm) Ronstan Double, tube rivet Block

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  • Lightweight durable construction
  • Economical
  • Maintenance free

316 Stainless steel cheeks and U.V. stabilised Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase.

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. 28 mm
 Max. Rope Ø  5/16 in. 8 mm
M.W.L. 990 lb. 450 kg
B. L. 2860 lb. 1300 kg
Weight 1.4 oz. 40 g
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