


Barton 30mm Steel-Frame Block
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Barton 30mm Steel-Frame BlockThe Barton Size 1 30mm plain bearing double swivel block with becket (Manufacturer Part No N01231) is a compact steel framed pulley designed to lead and redirect control lines on small to medium craft. Its primary benefit is a durable lightweight lead for up to 8mm (5 16") rope providing secure handling with minimal bulk. 30mm x 12mm sheave suitable for up to 8mm rope Internal steel frame for increased strength at 88g weight Swivel head plus fixed
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- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
Nice gloves
Color: Black (001)/Jet Gray, Size: Medium
These are my second pair I lost one from my first pair and was happy I could still buy these they are so comfortable and warm for cold weather but not super cold
Fit was perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
★★★★★ 5
Run small
Color: Black (001)/Jet Gray, Size: Large
Great but they run very small
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 21, 2025
★★★★★ 5
Perfect gloves
Color: Black (001)/Jet Gray, Size: Medium
These gloves are warm yet, not bulky. The fit is a little on the snug stretchy side but not tight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2025
★★★★★ 5
Amazing!!!
Color: Black (001)/Jet Gray, Size: Medium
I work outside in brutal temps all year and have yet to find gloves I can actually have dexterity and warmth with. These are everything I’ve wanted and more! I have no complaints and they fit amazing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2025
★★★★★ 4
Good quality
Color: Black (001)/Jet Gray, Size: Small
Very nice gloves were great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 22, 2025