This Sale ends in 3 DAYS or when item is sold out.

Harken 75mm Triple BlockOn Sale #:  H2664
View all Harken Products in Harken Carbo Blocks 75mm
Harken 75mm Triple Block

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Free Shipping This Item qualifies for Free Shipping on orders over $99! More Info...

End of Summer Clearance Sale on Now! -
Most in-stock items on sale.
Sale Prices are marked on the product page.
Ends Sunday Sept. 22   #H2664
Brand:  Harken
Our Price: CAD$249.95
Sale: CAD$199.95
You Save: CAD$50.00!
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Carbo AirBlocks® are 60% stronger and 30% lighter than our Classic blocks.

The nylon resin sideplates are densely packed with long-glass fibers for a compact block with a high strength-to-weight ratio. Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for maximum protection.

Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions, or swivel to keep line from twisting.

 It releases easily under load and is perfect for mainsheet systems on sport boats like the Melges 24, J/105, and Henderson 30.

Use for:
Main/jib sheets, Mainsheet fine-tune, Control lines, Vangs, Cunninghams and Outhauls.


  • Sheave Dia. 2 15/16" 75 mm 
  • Length 6" 152 mm 
  • Weight w/Shackle 20.5 oz 580 gr 
  • Shackle Pin Dia. - 8 mm 
  • Max Line Dia. 9/16" 14 mm 
  • Maximum Working Load 3639 lbs 1650 kg 
  • Breaking Load 10,000 lbs 4535 kg


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Free Ground shipping via Canada Post (UPS or Purolator for some locations) within Canada on most orders of $99 or more (pre-tax).
Q. What do we mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.

To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Please Note:
Remote areas which require an "air stage" for delivery are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

Other Products in View More
Harken 75mm Single Block #: H2660 

Our Price: CAD$89.95 

Harken 75mm Carbo Single Block with Becket #: H2661 

Our Price: CAD$99.95
Sale: CAD$79.95
You Save: CAD$20.00!

Harken 75mm Double Block #: H2662 

Our Price: CAD$169.95
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Harken 75mm Carbo Double Block with Becket #: H2663 

Our Price: CAD$189.95
Sale: CAD$151.95
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Harken 75mm Fiddle Block #: H2690 

Our Price: CAD$106.95
Sale: CAD$85.45
You Save: CAD$21.50!

Harken 75mm Fiddle Block with Becket #: H2691 

Our Price: CAD$114.95
Sale: CAD$91.95
You Save: CAD$23.00!

Harken 75mm Single Carbo Ratchet Block with Swivel #: H2670 

Our Price: CAD$99.95
Sale: CAD$79.95
You Save: CAD$20.00!

Harken 75mm Single Carbo Ratchmatic Block with Swivel #: H2680 

Our Price: CAD$159.95
Sale: CAD$127.95
You Save: CAD$32.00!

Harken 75mm Carbo Fiddle Ratchet with 150 Cam #: H2696 

Our Price: CAD$219.95 

Harken 75mm Carbo Fiddle Ratchet with 150 Cam & Becket #: H2697 

Our Price: CAD$229.95 

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