Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200]

Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200]

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Series 40 All Purpose Block - Double Block - Full Swivel Head


All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Head swivels freely.

Features:

  • Exceptionally high working loads
  • Low maintenance, long service life
  • Self-lubricating sheave
  • Slotted pin shackle eliminates fouled lines
  • Two way head post

Applications:

  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')

Materials:

  • U.V. stabilized Acetal sheaves
  • Impact and U.V. resistant, fiber reinforced Nylon cheeks
  • Grade 316 stainless steel bearing race
  • Grade 316 stainless steel load strap and head fitting

Specifications:

  • Sheave Ø: 40mm(1-9/16")
  • Max. Rope Ø: 10mm(7/16")
  • Pin Ø: 5mm(3/16")
  • M.W.L.: 600kg(1,320lbs)
  • B. L.: 1,200kg(2,650lbs)
  • Weight: 135g(4.8oz)

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At Automotive Elegance, we don't just focus on car accessories. We offer a full catalog of marine and outdoor accessories and parts. With knowledgeable staff that can help you with the right parts needed for your Auto or Marine needs. Feel free to send us a message or email if you need some assistance.

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I brought in my 2008 Toytoa Tundra for a new radio head unit. Sean was extremely professional and helped me pick out a Kenwood unit with built in GPS. He even installed a front and rear camera set up which makes parking my truck so much easier. The best part is how dependable this new head unit is. Several months later, and I have no issues with it. I'll definitely be back in the future for more upgrades.

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Toms River, NJ
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Great shop in town. We work together all the time. Nothing but good things to say about Sean and his team.

Shore Polishing
Bayville, NJ

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