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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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Description
Ronstan Series 20 Double Lashing BlockProduct Description Ronstan Series 20 Double Lashing Block Features Lightweight and strong Suits up to 4mm (5 32) lashing 2 Stage ball bearing system for efficient and effortless trimming Hollow hub for becket take off Sheave 3 4 in. (20mm)Max. Rope 1 4 in. (6mm)Max. Cable in (mm) Pin in. (mm) M. W. L. 660 lb. (300 kg) B. L. 1760 lb. (800 kg) Weight 0. 5 oz. (14 g) Product Information Lashing Line must pass through the hub with a tight splice in the
Product Description
Ronstan Series 20 Double Lashing Block
Features
Lightweight and strong
Suits up to 4mm (5/32”) lashing
2-Stage ball bearing system for efficient and effortless trimming
Features
- Hollow hub for becket take-off
- Sheave Ø - 3/4 in. (20mm)
Max. Rope Ø - 1/4 in. (6mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 660 lb. (300 kg)
B. L. - 1760 lb. (800 kg)
Weight - 0.5 oz. (14 g)
Product Information
Lashing Line must pass through the hub with a tight splice in the head or cross over before lashing to a fixing point.
Applications
- Control lines
- Leech lines & Cunninghams
- Cascading vangs
- Kite bridles
-
Perfect for multi purchase vang systems on performance dinghies such as the Moth, 49er and ILCA®
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Great Quality and Stylish
Size: Large, Color: (001) Black / Black / White
Exactly what I was looking for. I don’t like socks that are no-show that your ankles rub on the shoe. These are taller than that but shorter than socks that go up and over the ankle. They’re comfortable, good quality, and pretty thick. They’re form fitting m, but not compression. I dint like compression socks, and these are tight, but not too tight.
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Reviewed in the United States on June 5, 2025
★★★★★ 5
Affordable and good quality socks
Size: Medium, Color: (001) Black / Black / White
Good quality!
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Reviewed in the United States on May 9, 2026
★★★★★ 4
Socks
Size: Large, Color: (001) Black / Black / White
They are very comfortable and fit just right
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Reviewed in the United States on September 3, 2025
★★★★★ 5
Great socks!
Size: Large, Color: (001) Black / Black / White
These fit true to size. Good socks.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Great for walking all day at work as well
Size: X-Large, Color: (001) Black / Black / White
I walk approximately 10 miles a day at work, in a manufacturing setting. On concrete with steel toe shoes. My feet have been begging me to change from the socks that I have worn for years. I have worn these other name brand socks for probably 10 years. So, change was obviously something I had to be pushed into. I got on Amazon and searched for training socks. I read the description. Glanced at the reviews. I decided to move forward with purchasing these. I could not have been happier. My feet began feeling better immediately. And the priced was very reasonible.
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Reviewed in the United States on April 12, 2026