The Ronstan RF1316 Tie Ball 25mm is a versatile and durable rope stopper designed to improve control, safety, and handling across a wide range of sailing applications. Its 25mm diameter provides an ideal balance of grip and usability, making it suitable for medium to larger control line systems.

Manufactured from UV-stabilised, glass-fibre reinforced nylon, this tie ball offers excellent resistance to impact, sunlight, and saltwater exposure—perfect for New Zealand’s demanding marine conditions. It features a recessed cavity that securely holds stop knots, ensuring clean rigging and preventing lines from slipping through blocks or cleats.

Commonly used on halyards, sheets, and control lines, the RF1316 improves handling while acting as a reliable stopper to prevent rope pull-through.

Key Features

• 25mm tie ball for comfortable grip and control
• Recessed knot cavity holds stop knots securely
• UV-stabilised, glass-fibre reinforced nylon construction
• Prevents rope pull-through in blocks, cleats, and fairleads
• Lightweight, corrosion-proof and maintenance-free
• Ideal for halyards, sheets, and control line systems
• Trusted Ronstan marine hardware quality

Specifications

• Diameter: 25mm (1")
• Max Rope Diameter: approx. 5mm
• Material: UV-stabilised glass-fibre reinforced nylon
• Weight: approx. 7g
• Design: Textured grip with recessed knot cavity
• Application: Rope stopper / control line termination

Why Choose the Ronstan RF1316? 

For New Zealand sailors, the RF1316 offers a perfect mid-to-large size rope stopper, sitting between smaller tie balls (16–20mm) and larger 32mm options. It provides excellent grip without excessive bulk, making it ideal for both cruising and performance sailing setups.

Its durable construction and practical design make it a simple, low-cost upgrade that improves handling, safety, and overall rigging efficiency on any boat.