Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.
Series 50 All Purpose Block - Fiddle - Becket
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
- Snap fit removable becket pin
- Spare Parts - RF51010 Replacement Becket Pin, RF150 Shackle
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. Becket pin is removable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools
Applications:
- Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
- S60 - on boats up to 12m (40ft)
- Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems.
Materials:
- Grade 316 stainless steel load strap
- Impact and UV resistant, fiber reinforced Nylon cheeks
Ronstan RF51510 Series 50 All Purpose Fiddle Becket Block delivers a versatile, durable solution for sailors who need dependable control of sheets, halyards, and purchase systems. Designed for cruising and racing applications, this fiddle becket block combines high working loads, low friction, and practical line-handling features for mainsheet systems, vang controls, spinnaker controls, cunningham tackles, backstays, and other onboard applications.
The self-lubricating Acetal polymer sheave runs on polished stainless steel races to support smooth operation with both dynamic and high static loads. Its construction is intended to provide low maintenance and a long service life, while the impact- and UV-resistant, fiber-reinforced Nylon cheeks add durability for demanding marine use. The Grade 316 stainless steel load strap provides a robust foundation for the block assembly.
The Captive Lock universal head can be fixed in either of two planes or left free to swivel as needed, giving sailors flexibility when configuring running rigging. A slotted pin shackle helps reduce the risk of fouled lines, while the snap-fit removable becket pin allows line splicing before installation. The becket pin locks into position without requiring a clevis pin, split ring, or tools. This Series 50 block is suited for mainsheet and halyard applications, vang and spinnaker control lines on boats up to 33 feet, and fine-tune control systems where an efficient fiddle becket arrangement is needed.
Key Features:
-
High working loads: Supports demanding dynamic and static marine line-handling applications.
-
Self-lubricating Acetal sheave: Provides low-friction operation and durable performance on polished stainless steel races.
-
Captive Lock universal head: Can be fixed in two planes or allowed to swivel according to the rigging setup.
-
Removable becket pin: Allows line splicing before installation and locks into place without tools.
-
Slotted pin shackle: Helps prevent lines from becoming fouled during use.
Product Details:
-
Brand: Ronstan
-
Part number: RF51510
-
Product type: Series 50 all purpose fiddle becket block
-
Materials: Grade 316 stainless steel load strap; impact- and UV-resistant, fiber-reinforced Nylon cheeks; Acetal polymer sheave
-
Applications: Mainsheets, halyards, vang and spinnaker control lines, cunningham tackles, backstays, and other control line purchase systems
-
Recommended boat use: Applications on boats up to 33 feet; S60 applications are for boats up to 40 feet
-
Replacement parts: RF51010 replacement becket pin and RF150 shackle
Choose the Ronstan RF51510 Series 50 All Purpose Fiddle Becket Block for a practical, serviceable, and versatile addition to your boat’s running rigging.
SEO Meta Description: Ronstan RF51510 Series 50 fiddle becket block delivers low-friction, durable control for mainsheets, halyards, vangs, and marine rigging systems.
Features:
- High working loads: Supports demanding dynamic and static marine line-handling applications.
- Self-lubricating Acetal polymer sheave: Delivers low-friction operation and durable performance on polished stainless steel races.
- Captive Lock universal head: Can be fixed in two planes or left free to swivel for flexible rigging configurations.
- Slotted pin shackle: Helps reduce the chance of fouled lines during use.
- Snap-fit removable becket pin: Allows line splicing before installation and locks into position without tools.
- Durable marine construction: Combines a Grade 316 stainless steel load strap with impact- and UV-resistant, fiber-reinforced Nylon cheeks.
|
| Truck Freight: No |
| Oversized: No |
