Your Cart is Empty

⛵️ Trusted For 10 Years | 30,000+ Orders Shipped

Start of Season Sale - Ends Today

⭐️ Customers rate us 4.9 out of 5 on TrustPilot ⭐️

Harken 57mm Carbo Ratchet Block with Swivel and 40mm Side Carbos

✅ Available for Pre Order,
19 items left
⮐ 90 Day No Hassle Returns
🚚 Fast FREE UK SHIPPING* - excludes masts, booms, trailers, trolleys and boats
apple pay american express maestro master paypal visa


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.


  • Harken 57 mm Carbo Ratchet Block with Swivel and 40mm Side Carbos

    This Harken 57mm Carbo ratchet block with swivel and 40mm side carbos is perfect for creating a 10:1 mainsheet system.

    Please note, this product is available to pre order can may come with a 10 working day lead time.


    • Sheave Ø - 40 & 57mm
    • Maximum rope line thickness Ø - 10mm

Why Sailing Chandlery?

Fast Dispatch

FAST Dispatch

Next Day Delivery Available

Next Day Delivery

5 Star Rated

5 Star Customer Rated

90 Day Returns

90 Day Returns

Price Match Promise

Price Match Promise

Questions For Us?

Get in touch with our friendly team today

Still got questions? Our friendly team are on hand to help.

Call us on 01268 222912 or drop us an email info@sailingchandlery.com