RONSTAN RF666 Top Utility Block Loop Nos

( Brand: Ronstan ), ( Manufacturer Part Number: RF666 ), ( Part Type: Block )

Review RONSTAN Series Utility Block Loop Top Nos fits 2020

The Ronstan RF666 20 Utility Block Loop Top No.s are versatile and durable sailing hardware components designed for use in various applications on sailboats. These blocks are part of Ronstan's RF666 series, which is known for its strength and reliability.

Each block in this set consists of a loop top design, which makes it ideal for use with sheet lines and other control lines. The loop top allows for easy line attachment and adjustment, while the block body is designed to handle the rigors of sailing.

The RF666 blocks are constructed from high-quality marine-grade aluminum alloy, which is both lightweight and strong. The blocks feature an anodized finish, which provides excellent corrosion resistance and enhances their overall appearance. The anodizing process also allows for customization with various identifying markings, such as the "No.s" in the product name.

The sheaves on these blocks are made of Ronstan's proprietary SK-75 polymer, which offers exceptional strength and low friction. The sheaves are self-lubricating, which reduces the need for regular maintenance. The blocks also feature stainless steel pins and bearings, which add to their durability and longevity.

The RF666 blocks come in a set of 20, making them an excellent value for sailors looking to upgrade their sailing hardware. Each block measures approximately 5.5 inches (140mm) in length, 3 inches (75mm) in width, and 2 inches (50mm) in height. The loop diameter is approximately 1 inch (25mm), and the centerline height is approximately 0.8 inches (20mm).

Overall, the Ronstan RF666 20 Utility Block Loop Top No.s are an excellent choice for sailors looking for reliable, durable, and easy-to-use sailing hardware components. Their versatility, strength, and low maintenance requirements make them an essential addition to any sailboat.

Pros and Cons of Buying Ronstan RF666 20 Utility Block Loop Top Nos

The Ronstan RF666 20 Utility Block Loop Top Nos are popular among sailors for their versatility and functionality. However, like any other product, they come with their advantages and disadvantages. In this analysis, we will discuss these pros and cons to help you make an informed decision regarding your purchase.

1. Durability: Ronstan RF666 blocks are well-known for their robust construction, ensuring they can withstand harsh marine conditions.

2. Versatility: These blocks can be used for various applications, including sheet lines, halyards, and control lines, due to their adjustable cam action.

3. Easy to use: The loop top design makes it easy to attach lines or sails, making the sailing experience more convenient and efficient.

4. Lightweight: With a weight of approximately 2.2 pounds for a set of 20 blocks, these blocks are relatively lightweight compared to other options on the market.

1. Price: Ronstan RF666 blocks are more expensive than some other utility blocks on the market.

2. Limited load capacity: These blocks have a limited load capacity, making them unsuitable for heavy-duty applications.

3. Require regular maintenance: The blocks need to be lubricated and maintained regularly to ensure they function optimally.

In conclusion, the Ronstan RF666 20 Utility Block Loop Top Nos offer several advantages, such as durability, versatility, ease of use, and lightweight design. However, they come with some disadvantages, including a higher price point, limited load capacity, and the need for regular maintenance.

Based on this analysis, if you require a versatile, lightweight, and durable set of utility blocks for moderate load applications, the Ronstan RF666 20 Utility Block Loop Top Nos would be an excellent choice. However, if you need a more cost-effective option or one with a higher load capacity, you may want to consider alternative utility block models.

Details:

Ronstan RF666 Series 2 Utility block, Loop top, New old stock as shown, Quantity 2, Shipping weight 1 pound.

part #: rf666 prices

• $14.57-$29.95

specifications sailgrinch:

• for years: 2020
• brand: Ronstan
• mpn: Rf666
• part type: Block

shipping sailgrinch:

• class: Standard, Expedited
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail
• cost: $11.00
• type: Calculated
• carrier: USPS, UPS
• transit: 5-12 Days

payments sailgrinch:

• credit card: Diners-club
• other
• wallet: Paypal

seller sailgrinch:

• # reviews: 6640
• city: Lakewood, Ohio
• rating: 100.0%

general sailgrinch:

• Boat Parts > Sailing Hardware Gear > Other Sailing Hardware Gear
• condition: New other see details

offer sailgrinch:

• availability: In Stock
• best offers: True
• started: December 21, 2025
• sold: 0
• quantity: 5
• options: Ship-to-home

returns sailgrinch:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

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