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Ronstan

Series 30 BB Block, Double Exit With Cover Plate

Ronstan Series 30 BB Block, Double Exit With Cover Plate
Our Part #: RONRF30721 | Mfr. Part #: RF30721
$33.29 (List Price: $38.39)
13% OFF This Week! You save $5
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Free Shipping for US Continental orders over $99.

Sheave Diameter: 30 mm / 1 3/16 in
Max Rope Diameter: 8 mm / 5/16 in
Fastener Diameter: 5 mm / 3/16 in
M.W.L.: 300 kg / 660 lb
B.L.: 750 kg / 1650 lb
Weight: 60 g / 2.1 oz

  • Exit blocks minimise friction in lines passing through the deck or exiting masts and booms.
  • Grade 316 stainless steel load straps.
  • Acetal ball bearings.
  • UV stabilised Acetal sheave.
  • Impact and UV resistant, fibre reinforced Nylon cheeks.