Harken 2637 40mm Carbo Block Swivel & BecketView all products in Harken 40 mm Carbo Air Blocks

Binnacle.com #:  H2637
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Harken 2637 40mm Carbo Block Swivel & Becket

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

Low-friction Carbo Air blocks are lightweight, strong, reliable, and affordable. These small, compact blocks have very high working loads for safe, easy trimming.
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Binnacle.com:   #H2637
Brand:  Harken
MFG Part#:   2637
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View all Products in Harken 40 mm Carbo Air Blocks

Harken 2637 40mm Carbo Block Swivel & Becket

These smooth-running, powerful performers make trimming easy, no matter how hard the wind blows.

Carbo Air blocks are made of tough reinforced composite.

Main/jib sheets, mainsheet fine-tune, outhauls, cunninghams, vangs, and control lines.

  • Description: Single w/ swivel & becket
  • Sheave diameter: 1-9/16" (40mm)
  • Length: 4" (102mm)
  • Weight w/ shackle: 1.7 oz (48 g)
  • Maximum line diameter: 3/8" (10mm)
  • Shackle pin diameter: 5/32" (4mm)
  • SWL: 485 lb (220 kg)
  • Breaking strength: 1,620 lb (735 kg)

  Harken 40mm Carbo AirBlock Instructions

  Harken 40mm Blocks Catalogue Pages
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Binnacle.com Shipping FAQ

Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you 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 Binnacle.com 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

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (info@binnacle.com)

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas 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.

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