$184.78
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- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
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30-day returns
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
Only 5 left in stock, order soon!
Arrives
Monday, Nov 16
Recently Viewed
At a glance
- Condition
- New
- Size
- 57mm Sheave
- Color
- No Color
- Dimensions
- 2.24 x 2.24 x 0.1 in
- Material
- Plastic
- Package Weight
- 0.35 kg
- Suggested Users
- unisex-adult
- In the box
- Great Product
- Warranty
- Warranty
Features 5
- Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming
- Enables safe and easy sail trimming and are 30% lighter, with a 60% higher working load, than Classic blocks
- Ball bearings, sheave, and side plates are UV stabilized with carbon black for maximum protection
- Patented switch locks shackle in front or side positions, or lets block swivel to keep line from twisting
- Designed for use with: Main/jib sheets, Mainsheet fine-tune, Control lines, Vangs, Cunninghams, Outhauls
Specs 13
| Item Package Dimensions L x W x H | 5.83 x 3.86 x 2.4 inches |
|---|---|
| Package Weight | 0.35 kg |
| Item Dimensions LxWxH | 2.24 x 2.24 x 0.1 inches |
| Brand Name | HARKEN |
| Model Name | 2631 |
| Color | No Color |
| Material | Plastic |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Manufacturer | Harken |
| Part Number | 2631 |
| Style | Quad Block |
| Size | 57mm Sheave |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 16
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
Top Amazon Reviews
Small, high quality Harken block priced well.
Size: 40mm
Color: Black
The furling line for my headsail is routed thru one of these, which broke on its 24th anniversary. This block was very fairly priced and exactly the right one.
Reviewed in the United States on May 11, 2025 by Fred Hawes
It’s a Harken block
Size: 40mm Carbo Block
Color: Black
What else do I need to say? It’s a Harken block which means it’s well-made, sturdy and functions perfectly.
Reviewed in the United States on July 10, 2024 by TangoTango
Great Key fob!
Size: 40mm Carbo Block
Color: Black
I use this as a key fob. Works great for my truck keys, haven't lost them since I purchased this
Reviewed in the United States on November 17, 2020 by JT
Quality product!
Size: 40mm
Color: Black
Quality product! Expensive but worth it!
Reviewed in the United States on April 4, 2024 by Randy L.
It didn’t come with the shackle that’s shown
Size: 40mm
Color: Black
Frustrated. Looking at photo close up it shows the shackle being a Harken 5. So I ordered one. Nope too big must need a 4mm. So I’m still unable to use it. I think this is a bit deceptive. At least in the description it should mention the block doesn’t come with the shackle and would be helpful if it mentioned what size each block needs.
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Reviewed in the United States on November 5, 2022 by Amazon Customer
Great
Size: TRIPLE, SWIVEL
Color: No Color
Great
Reviewed in the United States on August 10, 2019 by Billy
Five Stars
Size: 40mm
Color: Black
Good deal, good product.
Reviewed in the United States on December 5, 2016 by R. Mays
No Shackle
Size: 40mm
Color: Black
Ordered 2 and one did not come with the Shackle. Cost me $15 to buy a shackle.
Reviewed in the United States on March 13, 2023 by Kindle Customer