Harken 25mm Fly Block

Harken's 25mm Fly Block is built to give serious working load without the weight, a low-aero design that keeps things compact without sacrificing strength. Designed specifically for high-tech line, it punches well above its size for working load. The cast stainless steel boom key is shaped and angled to stay locked in place even under zero tension, so it won't shift around between uses. At just 34g with a 275kg maximum working load, it's a genuine strength-to-weight standout for such a small fitting.

• Maximum line Ø (mm) 5 mm
• Maximum working load (kg) 275 kg
• Maximum working load (lb) 606 lb
• Sheave Ø (mm) 25 mm
• Sheave Ø (in) 1 in

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Delivery Information.