Harken 40mm Carbo Air Block with Cam Cleat & Becket - 2646

Harken 40mm Carbo Air Block with Cam Cleat & Becket - 2646

Marsoni

M251S

$131.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Harken 40mm Carbo Air Block with Cam Cleat & Becket - 2646Harken 40mm Carbo Air Block with Cam Cleat & Becket 2646 40mm Carbo Air Block with Cam Cleat & Becket Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)6 mm Maximum line (in)1 4 in Maximum working load (kg)136 kg

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These were great for what I wanted them for. I like the look of having a card slabbed with a label but sending to the big grading companies is expensive. I was able to Slab wrestling cards, and sports cards. I even did one of my garbage pail kids. These are not designed to just snap together and do require some plastic adhesive or glue. Not a bad price for what I needed them for.

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Reviewed in the United States on December 26, 2021

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Mackenzie Risen

Dallas, US

★★★★★ 3

Don’t get this

Item Package Quantity: 6

The two sides don’t fit together properly and pop open with the slightest of uneven pressure. There’s practically no clips to keep them together so cards just slide right out of them when picked up vertically. Don’t get this if you are looking for something to keep very expensive items in as they will just get ruined or lost. You get what you pay for.

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Reviewed in the United States on November 14, 2022

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Karen Kay Gallagher

New York, US

★★★★★ 5

My son loved them

Item Package Quantity: 6

Perfect for trading graded baseball cards

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Reviewed in the United States on December 18, 2025

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NomeByFace

Massapequa, US

★★★★★ 5

GREAT!

Item Package Quantity: 12

I was a little unsure at first, but this product turned out to be a great choice. It does exactly what I needed, and I’ve been using it without any issues.

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Reviewed in the United States on December 2, 2024

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Christopher Kline

Phoenix, US

★★★★★ 5

Great for whatnot auctions or any auctions!

Color: Black

I love it it’s perfect!

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Reviewed in the United States on March 21, 2026