1. Vintage Sailing Hardware & Gear Offered
  2. sku: 3107296714812793
  3. RONSTAN RF1256

RONSTAN RF1256 Double Block Swivel Head

Rf1256 Ronstan Double Block Swivel Head Series

( Brand: Ronstan ), ( Manufacturer Part Number: RF1256 ), ( Part Type: Block Head ), ( Item Height: 1.25 In. ), ( Item Length: 4.375 In. ), ( Item Width: 1.875 In. )

Review RONSTAN Double Block Swivel Head Series

The Ronstan RF1256 Double Block Swivel Head is a versatile and robust sailing accessory designed to provide safe and efficient sheeting solutions for sailors. This swivel head is engineered with high-quality materials and precision manufacturing techniques to ensure optimal performance and durability.

The RF1256 is a double block design, meaning it features two sheave blocks that can be used independently or together. Each block is capable of handling lines up to 12mm in diameter, making it suitable for a wide range of sailing applications. The blocks are constructed from strong, corrosion-resistant materials, ensuring they can withstand the rigors of the marine environment.

One of the standout features of the RF1256 is its swivel head design. This feature allows the block to rotate freely, reducing the friction and wear on the lines and making sheeting easier and smoother. The swivel head is also self-aligning, ensuring the blocks remain correctly positioned even when under load.

The RF1256 Double Block Swivel Head is designed with a sleek and streamlined profile, making it an attractive addition to any sailboat. It is also easy to install, with a simple bolt-on design that requires no complex rigging setup. The swivel head comes with stainless steel mounting hardware, ensuring a secure and reliable attachment to the boat.

The Ronstan RF1256 Double Block Swivel Head is an essential tool for any serious sailor, providing a reliable and efficient sheeting solution that can help improve sail trim and boat performance. Its robust construction, corrosion-resistant materials, and swivel head design make it a versatile and durable accessory that can withstand the demands of the marine environment. Whether you're cruising, racing, or just enjoying a day on the water, the RF1256 Double Block Swivel Head is an indispensable addition to your sailing gear.

The Ronstan RF1256 double block swivel head is a popular choice among sailors for its versatility and ease of use. Here are some pros and cons to help you make an informed decision about purchasing this product:

Pros:

1. Double block design: The double block design allows for the safe and easy changing of sails without the need for a third hand. It also allows for the clutches to be easily adjusted from the cockpit.

2. Swivel head: The swivel head design allows for the line to rotate freely, reducing the likelihood of line twist and making sail handling easier and more efficient.

3. Durable: Made from high-quality materials, the Ronstan RF1256 is built to withstand the rigors of sailing and is designed to last.

4. Adjustable: The clutches are adjustable, allowing for fine-tuning of the sail tension and making it easier to trim sails for optimal performance.

5. Easy to install: The Ronstan RF1256 is relatively easy to install, with clear instructions and mounting hardware included.

Cons:

1. Price: The Ronstan RF1256 is more expensive than some other options on the market, which may be a deterrent for some buyers.

2. Size: The Ronstan RF1256 is larger than some other options, which may require more space on the boat.

3. Weight: The Ronstan RF1256 is heavier than some other options, which may be a consideration for those looking to reduce weight on their boat.

Conclusion:

The Ronstan RF1256 double block swivel head offers several advantages for sailors, including the double block design, swivel head, durability, adjustability, and ease of installation. However, it is more expensive, larger, and heavier than some other options. Ultimately, whether or not the Ronstan RF1256 is the right choice for you depends on your specific needs and budget.

Recommendation:

If you prioritize the ease of changing sails, the reduction of line twist, and the durability of the product, the Ronstan RF1256 double block swivel head is a worthwhile investment. However, if you are looking for a more budget-friendly or lightweight option, there are other products on the market that may be a better fit for you. I would recommend carefully considering your sailing needs and budget before making a purchase.

Details:

This versatile block has a removable black insert that locks the head position at or 90 degrees. See photos of the head with and without black insert. Once the insert is removed head can swivel 360 degrees. This is a used older model double block.

Ronstan Double Block Swivel Head Series RF1256, is a world leading manufacturer and supplier of sailboat hardware rigging components. The insert is easily removed or replaced by unscrewing the pin.

part #: rf1256 prices

  • $30.00-$49.00

specifications sailgrinch:

  • brand: Ronstan
  • mpn: Rf1256
  • part type: Block Head
  • item height: 1.25 In.
  • item length: 4.375 In.
  • item width: 1.875 In.

general sailgrinch:

  • condition: Used
  • Boat Parts > Sailing Hardware Gear > Other Sailing Hardware Gear

shipping sailgrinch:

  • class: Standard
  • type: Fixed
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 5-12 Days
  • cost: $0.00

offer sailgrinch:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 1
  • started: November 1, 2025
  • best offers: True

seller sailgrinch:

  • # reviews: 33
  • city: San Pedro, California
  • rating: 100.0%

returns sailgrinch:

  • policy: No Returns

payments sailgrinch:

  • credit card: Diners-club
  • other
  • wallet: Apple-pay
part type: block head, item height: 1.25 in., item length: 4.375 in., item width: 1.875 in.,
category: boat parts > sailing hardware gear, sku: 3107296714812793,

Ronstan RF1256 Is Similar To:

sailgrinch logo
3 offers $30.00–$49.00 USD
  • Offer #1: $49.00 price + $12.82 shipping estimate = $61.82* total. RONSTAN.+$12.82 shipping
  • Offer #2: $49.00 price + $12.82 shipping estimate = $61.82* total.+$12.82 shipping
  • Offer #3: $30.00 price + $11.95 shipping estimate = $41.95* total. With a focus on reliability and performance, this product is a valuable addition to any sailing gear collection. The Ronstan Double Pulley WM with a 1.75" sheave is a high-quality piece of sailing hardware designed by the reputable brand Ronstan.+$11.95 shipping

Copyright © sailgrinch.com