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Ronstan

Series 20 BB Block, Single Exit, Side Tabs

Ronstan Series 20 BB Block, Single Exit, Side Tabs
Our Part #: RONRF20711A | Mfr. Part #: RF20711A
$28.99 (List Price: $34.11)
15% OFF This Week! You save $5
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Free Shipping for US Continental orders over $99.

Sheave Diameter: 20 mm / 3/4 in
Max Rope Diameter: 6 mm / 1/4 in
Fastener Diameter: 4 mm / 5/32 in
M.W.L.: 250 kg / 550 lb
B.L.: 1000 kg / 2200 lb
Weight: 22 g / 0.8 oz

  • Exit blocks minimise friction in lines passing through the deck or exiting masts and booms.
  • Grade 316 stainless steel load straps.
  • U.V. stabilised Acetal sheave.