Ronstan RF48109 Orbit 40mm Single Pulley – Becket & Lashing Snatch Block

The Ronstan RF48109 Orbit 40mm Single Pulley with becket and lashing snatch attachment is a compact, ultra-lightweight block engineered for high-performance dinghies, sportsboats, and small keelboats. As part of Ronstan’s elite Orbit Series, it features glass fibre-reinforced polymer cheeks, a high-efficiency acetal sheave, and acetal ball bearings for smooth, low-friction operation under load.

Its soft-attachment lashing eye and snatch block-style opening make it easy to install mid-line or in tight spaces without disassembly. The integrated becket allows for direct line termination, simplifying control systems such as vangs, cunninghams, and mainsheet loops.

Specifications:

• Sheave Diameter: 40mm

• Max Rope Diameter: 9mm

• Attachment Type: Lashing snatch (soft-attach compatible)

• Bearings: Acetal ball bearings for low friction

• Materials: Reinforced composite cheeks, acetal sheave, stainless steel fittings

• Configuration: Single pulley with becket and lashing snatch opening

• Applications: Vangs, mainsheets, cunninghams, control systems

• Features: Lightweight, strong, low-friction, corrosion-resistant

Ideal for sailors seeking elite-level performance, flexibility, and weight savings. Available now from Barton Marine NZ, your trusted supplier of Ronstan Orbit blocks and sailing rigging gear.