Ronstan RF418 Wire Block with Tubular Rivet Head and Nylatron Sheave – 25mm Diameter

Wire Block - Tubular Rivet Head w/Nylatron Sheave - 25mm Sheave Diameter

Wire blocks have purpose designed narrow sheaves and grooves.

Applications:
Wire blocks suit halyards, vang and backstay applications

Materials:

• Grade 316 stainless steel cheeks
  
• Nylatron sheave

Specifications:
Sheave : 25mm(1")
Max. Cable : 3mm(1/8")
M.W.L:450kg(990lbs)
B.L.: 900kg(1,980lbs)
Weight: 40kg(1.4oz)

The Ronstan RF418 wire block is designed with precision for demanding sailing applications, featuring a durable tubular rivet head and a high-quality Nylatron sheave. This wire block is ideal for halyards, vang, and backstay systems, providing smooth operation and reliable performance. Crafted with grade 316 stainless steel cheeks, it offers exceptional corrosion resistance and strength, making it suitable for marine environments. The 25mm (1 inch) diameter sheave accommodates cables up to 3mm (1/8 inch), ensuring compatibility with a range of rigging setups. With a maximum working load of 990 lbs and a breaking load of 1,980 lbs, this wire block is engineered for safety and durability during intense sailing conditions. Weighing approximately 1.4 ounces, it is lightweight yet robust, adding minimal weight to your rigging system while delivering dependable performance.

Features:

• Sheave Diameter: 25mm (1 inch) for versatile cable compatibility

• Material: Grade 316 stainless steel cheeks for corrosion resistance

• Sheave Material: Nylatron for smooth and quiet operation

• Max Cable Size: 3mm (1/8 inch) suitable for various rigging needs

• Maximum Working Load: 990 lbs for secure handling of heavy loads

• Breaking Load: 1,980 lbs ensuring safety margins

• Design: Narrow sheaves and grooves tailored for sailboat rigging