Ronstan Series 50 All Purpose Block - Double [RF51200]
SKU: 59663746134

Ronstan Series 50 All Purpose Block - Double [RF51200]

Sale price$70.76 Regular price$78.62
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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: 59663746134

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 1877 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
G
Verified Purchase
Gerline
Cuba, US
★★★★★ 5
If you're reading this make the purchase!
My 1 year old loves her Elmo so much! Such a cute stuffy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2026
E
Verified Purchase
Emilie Vargas
Houston, US
★★★★★ 5
Baby toys
My greatgrandson loves it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 17, 2026
L
Verified Purchase
Lindsey (DownWithTheShaffers)
Houston, US
★★★★★ 5
Cute!
Format: Hardcover
Great book! My 3yo loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
D
Verified Purchase
Dwayne Barber
Lowell, US
★★★★★ 5
Sound quality was great
Format: Hardcover
Very nice quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
Great way to get a child interested in reading!
Format: Hardcover
So cute!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026

recommand products