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Ronstan

Ronstan Series 50 All Purpose Single Stand-Up Block RF51140

Ronstan Series 50 All Purpose Single Stand-Up Block RF51140

SKU:70680

Regular price $63.97 USD
Regular price Sale price $63.97 USD
Sale Sold out

Low stock: 4 left

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Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

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Series 50 All Purpose Block - Single Stand Up

Features:

  • Exceptionally high working loads
  • Low maintenance, long service life
  • Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
  • Captive Lock universal head
  • Slotted pin shackle eliminates fouled lines
  • Mount with 2 x 5mm (3/6") fasteners (not supplied)

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.Captive Lock universal head can be fixed in either of two planes, or free to swivel as required. Quick adjusting cleat arms require no tools to adjust and fix securely in position. Becket pin is removable so line can be spliced prior to fitting.

Applications:

  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
  • S60 - on boats up to 12m (40ft)
  • Typically used in direct 4:1 purchase systems such as mainsheets and boom vangs
  • On larger boats they are used for fine-tune mainsheet tackles, outhauls, cunninghams, checkstays, genoa lead pullers and traveller controls.

Materials:

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

Ronstan Series 50 All Purpose Single Stand-Up Block RF51140 is a versatile sailing hardware solution for cruising and racing applications. Designed for mainsheets, halyards, vangs, spinnaker control lines, and other deck hardware systems, this single stand-up block combines high working loads, low friction, and durable construction for dependable line handling on boats up to 33 feet.


The self-lubricating Acetal polymer sheave runs on polished stainless steel races to support smooth operation under both dynamic and high static loads. Its construction is suited to demanding sheet, halyard, and control-line applications, while the impact- and UV-resistant fiber-reinforced Nylon cheeks help support a long service life with minimal maintenance. The removable becket pin also allows line splicing before installation.


Key Features:


  • Feature: Self-lubricating Acetal polymer sheave delivers low friction and high durability.
  • Feature: Polished stainless steel races support smooth performance with dynamic and static loads.
  • Feature: Captive Lock universal head can be fixed in either of two planes or allowed to swivel as needed.
  • Feature: Slotted pin shackle helps reduce the chance of fouled lines.
  • Feature: Quick-adjusting cleat arms require no tools and secure firmly in position.
  • Feature: Removable becket pin allows line splicing before fitting.

Product Details:


  • Brand: Ronstan
  • Series: 50 All Purpose
  • Part Number: RF51140
  • Block Type: Single stand-up block
  • Load Strap: Grade 316 stainless steel
  • Cheeks: Impact- and UV-resistant fiber-reinforced Nylon
  • Applications: Mainsheets, halyards, boom vangs, spinnaker control lines, outhauls, cunninghams, checkstays, genoa lead pullers, and traveler controls
  • Recommended Boat Size: Boats up to 33 feet
  • Mounting: Requires fasteners, which are not supplied

Choose the Ronstan Series 50 All Purpose Single Stand-Up Block RF51140 for a durable, adaptable addition to your sailing control-line system.


SEO META DESCRIPTION:
Shop the Ronstan Series 50 All Purpose Single Stand-Up Block RF51140 for durable sheet, halyard, and control-line handling on boats up to 33 feet.

Features:

  • Self-lubricating Acetal polymer sheave delivers low friction and high durability.
  • Polished stainless steel races support smooth performance with dynamic and static loads.
  • Captive Lock universal head can be fixed in either of two planes or allowed to swivel as needed.
  • Slotted pin shackle helps reduce the chance of fouled lines.
  • Quick-adjusting cleat arms require no tools and secure firmly in position.
  • Removable becket pin allows line splicing before fitting.
Truck Freight: No
Oversized: No

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