Ronstan Nylatron Sheave Box, Single Upright Lead, 22mm Sheave

Optimize your dinghy's rigging efficiency with the Ronstan Nylatron Sheave Box. Designed as a low-profile solution, this single upright lead block is ideal for guiding halyards and other critical sail control lines smoothly back to cleats or jammers. Its robust construction ensures reliable performance in demanding marine environments. Upgrade your sail control system for precise and effortless adjustments on the water.

Key Features & Benefits:

• Durable Construction: Features a high-strength Nylatron® sheave and Grade 316 stainless steel load housing for superior corrosion resistance and longevity.
• Compact Sheave Diameter: A 22mm (7/8") sheave accommodates ropes or cables up to 3mm (1/8"), providing efficient line management without excessive bulk.
• High Load Capacity: Boasts a Maximum Working Load (MWL) of 160kg (350lbs) and a Breaking Load (BL) of 350kg (700lbs), ensuring secure handling of critical control lines.
• Adaptable Mounting: External tabs can be easily formed to precisely fit your spar profile, allowing for a custom, secure installation.
• Lightweight Design: Weighing only 30g (1.1oz), it adds minimal weight to your rigging while maximizing performance.
• Optimal Fastening: Designed for a 5mm (3/16") fastener, ensuring a strong and stable attachment point to your spar.

Applications & Compatibility:

This versatile sheave box is typically utilized in dinghy spars for various control lines, including outhauls. It can also be mounted in an inverted position to function effectively as an upright lead.