Ronstan Series 50 All Purpose Block - Double [RF51200]
SKU: 5998981354

Ronstan Series 50 All Purpose Block - Double [RF51200]

Sale price$70.76 Regular price$78.62
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Ronstan Series 50 All Purpose Block - Double [RF51200]Series 50 All Purpose Block Double 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. Swivel shackle head for full 360 degree rotation (non locking).

Series 50 All Purpose Block - Double

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. Swivel shackle head for full 360 degree rotation (non-locking).

Features:

  • Exceptionally high working loads
  • Low maintenance & long service life
  • Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
  • Slotted pin shackle eliminates fouled lines

Applications:

  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to (33ft). 10m
  • S60 - on boats up to 40ft, (12m)

Materials:

  • Grade 316 stainless steel load strap
  • Impact and UV resistant, fiber reinforced Nylon cheeks

Specifications:

  • Sheave Diameter: (inch) 2" / (mm) 50
  • Max Rope Diameter: (inch) 1/2" / (mm) 12
  • Pin Diameter: (inch) 1/4" / (mm) 6
  • Maximum Working Load: (lb) 2200 / (kg) 1000
  • Breaking Load: (lb) 4410 / (kg) 2000
  • Weight: (oz) 9.0 / (g) 255
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 5998981354

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Gabriela
Whiting, US
★★★★★ 5
Buena calidad de tela 👌
La tela es buena, me gusto!!
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Reviewed in the United States on January 14, 2026
R
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Robert Ponto
Pawtucket, US
★★★★★ 4
Runs big. Fabric is nice. Love the color
It's a nice color of green and feels great. I ordered a medium due to the reviews. It's a larger than a normal medium so it's slightly too small. I usually wear XL and sometimes L. So, it does run big. I returned it but probably will order a L.
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Reviewed in the United States on December 22, 2025
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Amazon es fraude no comprar no sirve el reembolso
Fort Morgan, US
★★★★★ 5
Cool
Cool
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Reviewed in the United States on December 25, 2025
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Weezie77
Bozeman, US
★★★★★ 2
Much too big.
Cute sweatshirt but I returned it. It was way oversized.
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Reviewed in the United States on January 29, 2026
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Renee M.
San Leandro, US
★★★★★ 3
shirt is thin, sizing is useless
The shirt is thin but okay. The sizing is useless. I purchased a large and a medium. Each is marked with the size (L and M), but the two shirts are exactly the same size. Laid flat together or held up by the shoulders together, these two shirts are EXACTLY the same.
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Reviewed in the United States on November 27, 2025

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