Harken 29 mm Carbo Triple Swivel Block 344

Harken 29 mm Carbo Triple Swivel Block (344) – Ultra‑Lightweight Triple Sheave Pulley

Experience the next level of performance with the Harken 344 — a compact triple‑sheave pulley crafted for serious sailors who demand maximum mechanical advantage in a lightweight, highly configurable package. Built for 4:1 and 6:1 tackle systems, this block excels in demanding sail control applications such as vangs, cunninghams, spinnaker sheets, and traveler adjustments.

Core Features:

• Three 29 mm Delrin® sheaves riding on precision stainless steel ball bearings

• Rugged yet lightweight Carbon® side cheeks

• Full 360° stainless steel swivel heads for natural alignment, reducing friction and twist

• Supports line diameters up to 8 mm, perfect for light yacht control lines

• Exceptional working load of ~300 kg and breaking strength near 975 kg

• Lightweight design (~70 g) keeps your rig agile and responsive

This block combines the stiffness of Carbon®, smooth low‑friction bearings, and full swivel flexibility, delivering reliable performance under load while maintaining feather‑light weight. Engineered for high-performance skiffs, dinghies, and small cruising yachts.