2 bobble ends, mounted on a single 4mm line

Use this tuning aid sticker to keep your settings consistent.

Ultra-lightweight, handmade composite wind vanes. Accurate from 0.8 to 40 knots Suits dinghies with parallel mounting options (boats to 5m (16ft) with adjustable mast clamp) Perfect for every kind of performance sailing Size - 360mm (14")W x 9mm (3 1/2")H

Unique retaining system Fast pin for rapid adjustment 17 offset holes calibrated at 4mm (5/32") increments.

Lightweight Highest working load in its class Secure, versatile attachment