Harken 29mm Carbo Swivel Block 340

Harken 29 mm Carbo Swivel Block (340) – Compact Strength with 360° Rotation

Upgrade your sailing rig with the Harken 29 mm Carbo Swivel Block (340)—a high-performance pulley tailored for small yacht systems where weight, strength, and flexibility matter. Ideal for applications such as halyards, vang systems, sheet control, or multi‑point constraining tackles, this block combines lightweight materials with robust load-handling capability.

Crafted with high-strength Carbon® cheeks and a UV‑stable Delrin® sheave, the 340 features marine-grade stainless steel ball bearings for smooth, low‑friction operation. A full 360° stainless steel swivel head ensures precise alignment and minimal twisting under load.

🔧 Key Features:

• 29 mm Delrin® sheave with stainless steel ball bearings

• High‑strength Carbon® side cheeks—light but rigid

• Full stainless steel swivel head for seamless rotation

• Maximum line diameter: 8 mm

• Recommended working load: approx. 300 kg (925 lbf)

• Breaking load: ~975 kg

• Lightweight at just ~40 g

This pulley is engineered for racing dinghies, light cruisers, high‑performance day‑boats, and other sailing craft that demand precision, reliability, and minimal weight. The Carbo Swivel Block 340 delivers exceptional value with its combination of advanced composite construction and robust swivel action.