SKU: 2843228924

Ronstan Series 50 All Purpose Block - Double

$70.76 $78.62
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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22

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Description

Ronstan Series 50 All Purpose Block - DoubleSeries 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

Manufacturer : Ronstan
Manufacturer Part No : RF51200
UPC : 9316800241231
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: 2843228924

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4.4 ★★★★★
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Camilo Hernandez
Dallas, US
★★★★★ 5
Great study material
I’m using this to get ready for my A+ exam. Can’t wait to finally get certified in all the areas I have been dreaming to work in. I have ADD so it’s tough to sit and ready most things, but this book allows me to focus on something I love to be around, talk about and work on. It’s super helpful in Computer Hardware (basics) software trouble shooting (basics) and learning about handheld devices like cell phones, although some information is not correct on the cell phone portions, I am an AASP (Apple Authorized Service Provider) certified technician and a Wise Level 2 certified technician so I am very familiar with cell phones, but it’s not all wrong, it allows the reader to search for the information and build a better foundation on these products because they change so frequently. Also the visuals are amazing, I love to see pictures of what I am reading about because I’m such a man child, but also because theory is one thing and practical knowledge is another. Being able to replicate a scenario and attempt a fix is helpful to those who can’t sit still.
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Reviewed in the United States on June 12, 2022
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Amazon Customer
Battle Creek, US
★★★★★ 5
Very nice quality and gets the job done
Color: Silver
This has been the best derma plane razor that I’ve bought so far. I love that it has all of the refills and I ended up buying one for my daughter as well.
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Reviewed in the United States on May 22, 2026
D
Verified Purchase
debby henrickson
New York, US
★★★★★ 5
Does the trick!!
Color: Silver
This is great! Way better than waxing! Wish I’d have purchased these sooner. Nice quality and works great on my face.
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Reviewed in the United States on May 8, 2026
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Verified Purchase
Lashunda Thompkins
Belleville, US
★★★★★ 5
Great for removing facial hair
Color: Silver
Exactly what I need to maintain my skincare routine at home
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Reviewed in the United States on May 8, 2026
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Verified Purchase
Roxanne G.
Draper, US
★★★★★ 5
High quality dermaplaner
Color: Silver
Great quality metal and the handle has a nice heaviness to it, making it easy to hold and use. the replacements are easy to replace and the feel of my skin when I'm done feels like a baby's bottom
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026

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