⛵️ Don't Miss Our Mid Summer Sale - Ends Sunday ⛵️

Trusted For 12 Years

Over 48,000+ Orders Shipped

90 Day Risk Free Returns

Over 4,000 5 Star Reviews

Price Match Promise

Save 9%

Harken 29mm Fly Block - 2171

Rated 4.9 / 5
Mid Summer Sale - Ends Sunday

This product has a lead time, please read the description. More info

Price Match Promise

Our Guarantee

We want you back on the water as quickly as possible. We ship orders quickly, use fast postal services and show you accurate stock levels. This is why our customers rate us as 5 star.

Use our flexible payment options and take advantage of 90 day returns if you need to.

Product Information

  • Harken 29mm High Strength Fly™ Block - 2171

    The new Harken 29mm soft-attach Fly block has been designed to provide strength without mass, providing sailors with big power in a low-aero package.

    The pulley is made with a plastic casing, titanium sheave and stainless steel ball bearings.

    This pulley block is perfect for high load lines, think the top of cascading systems, kite halyards on catamarans and downhaul systems. The 29mm efficient block has an incredible working load for the small size.

    Please note: This product comes with a lead time expected to be up to 10 working days.


    • Sheave size - 29mm
    • Length - 44mm
    • Weight - 26g
    • Maximum line size - 7mm
    • Maximum working load - 350kg
    • Breaking load - 700kg



Harken kit is built to last and comes with a 5 year warranty.

Harken warrants the original purchaser that each Harken product, when properly installed, used and maintained, will be free from defects in material and workmanship under normal conditions of use, from the date of receipt of the product by the final customer.

Why Sailing Chandlery?

What our customer say about us

Don't take our word for it, see what our customers say about Sailing Chandlery and the service we provide