Name: Harken 3251 100mm Single Black Magic High-Load Runner Block
Brand: Pacific Sailboat Supply
SKU: 395066
Price: 883.95 USD
Availability: InStock

Harken 3251

Runners are used on running backstays of offshore boats to adjust mast bend for different wind conditions.

Integrated sideplate bails and recessed cotter key help produce a smooth design that won’t snag lifelines.

Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon® roller bearings separated and parallel to reduce friction.

Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Sheave Ø (mm)100 mm

Sheave Ø (in)3 15/16 in

Length (mm)157 mm

Length (in)6 3/16 in

Weight (g)481 g

Weight (oz)17 oz

Clevis pin Ø (mm)15.9 mm

Clevis pin Ø (in)5/8 in

Maximum line Ø (mm)16 mm

Maximum line Ø (in)5/8 in

Maximum working load (kg)3402 kg

Maximum working load (lb)7500 lb

Breaking load (kg)6804 kg

Breaking load (lb)15000 lb

At Pacific Sailboat Supply, we’re passionate about what we do, and our primary goal is elevating your sailing and boating experience. We cater specifically to racers and enthusiasts of high-performance sailing, offering a meticulously curated selection from over 300 premier marine brands. Our website features less than 5% of our available products, ensuring only the finest sailboat rigging, hardware, electronics, and more make the cut.

But our expertise doesn’t stop with sailboats. We also provide top-quality supplies for powerboats. If you don’t find exactly what you’re looking for, our team is ready to assist you. Reach out via email, chat, phone, or directly through our website messaging service. At Pacific Sailboat Supply, we’re here to help you navigate your sailing and boating needs with excellence.