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Harken 40mm Carbo Air Double Swivel Block - 2638

Marsoni M251S
Sale price$86.95
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Harken 40mm Carbo Air Double Swivel Block - 2638Harken 40mm Carbo Air Double Swivel Block 2638 40mm Carbo Air Double Swivel Block 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)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load
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4.2 ★★★★★
Based on 1193 reviews
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Verified Purchase
FrankO
Lake Worth, US
★★★★★ 5
GOOD PRODUCT
Size: 1-Pack
Perfect fit, no tears, good airflow, works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
I
Verified Purchase
Ivan and Miranda
Phoenix, US
★★★★★ 5
Amazon choice.
Size: 1-Pack
Definitely needed a new cabin filter and this one was at a good price. Easy to install and change filter.
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Reviewed in the United States on May 27, 2026
C
Verified Purchase
chris keeton
Charlottesville, US
★★★★★ 5
Perfect fit
Size: 1-Pack
Fit perfectly, no issues at all. Would buy again in the future.
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Reviewed in the United States on May 22, 2026
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Verified Purchase
Nah
Lexington, US
★★★★★ 5
Perfect fit
Size: 1-Pack
Perfect fit, easy install
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Reviewed in the United States on May 20, 2026
T
Verified Purchase
Thomas
Bozeman, US
★★★★★ 5
Happy with purchase
Great fit, seems good quality, would buy again
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Reviewed in the United States on April 18, 2026

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