Ronstan Series 55 Ratchet Block with Fiddle Becket Swivel

Overview:

The Ronstan Series 55 Ratchet Block offers unmatched versatility and performance in sailing. With both automatic and manual engagement modes, this block adapts to your handling preferences, making it ideal for everything from racing to cruising.

Automatic and Manual Engagement:

This block can switch between automatic mode, where the ratchet engages under load but releases for smooth easing, and manual mode, providing sailors with full control based on their needs.

Unparalleled Holding Power:

The NC-machined sheave features an innovative design that provides up to 21:1 holding power, leveraging 12 gripping faces to prevent line movement and reduce wear. Its unique geometry enhances load distribution and performance.

Durable Construction:

Crafted with high-quality materials including anodized Aluminium, toughened glass fiber reinforced Nylon, and UV stabilized SK75 Dyneema®, this block is built to withstand the rigors of marine environments.

• Automatic and manual engagement modes for flexible use
• Up to 21:1 holding power
• 12 gripping faces for superior resistance to line movement
• Anodized Aluminium sheave for durability
• Lightweight yet strong construction materials
• Ideal for both racing and cruising setups