Ronstan RF15171 15mm Upright Lead Block – Series 15 Pulley NZThe Ronstan RF15171 Series 15 Upright Lead Block is a compact, high efficiency pulley designed for leading control lines cleanly across decks and cockpit systems. With its low profile fixed upright design, it provides a simple, reliable solution for guiding lines directly to cleats or clutches. Featuring a 15mm UV stabilised acetal sheave running on stainless steel ball bearings, the RF15171 delivers smooth, low friction performanceideal for high

and tweaker systems

Minimum Operating Temperature - 85° C

Marine-grade materials resist UV and corrosion

strong under load

Lightweight Manual Inflatable PFD for Boating

Space-saving installation footprint

and launches

Weighing just around 9 grams

Cylinder size: 42L

Standard Grey Sensor with plug

or hazards

Smooth rope-to-chain transition for reliable anchoring