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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
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Description
Ronstan Series 20 High Load Single Block w/ Looped TopProduct Description Ronstan Series 20 High Load Single Block w Looped Top Features Exceptionally high working loads Lightweight Suitable for both rope or wire Sheave 3 4 in. Max. Rope 1 4 in. Max. Cable 1 8 in Pin in. M. W. L. 610 lb. B. L. 1210 lb. Weight 0. 5 oz. Product Information Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire. Can be fitted with a
Product Description
Ronstan Series 20 High Load Single Block w/ Looped Top
Features
Exceptionally high working loads
Lightweight
Suitable for both rope or wire
Sheave Ø - 3/4 in.
Max. Rope Ø - 1/4 in.
Max. Cable Ø - 1/8 in
Pin Ø - in.
M.W.L. - 610 lb.
B. L. - 1210 lb.
Weight - 0.5 oz.
Product Information
Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.
Can be fitted with a shackle in either of two planes to allow correct alignment of the block.
Applications
Dinghy control lines
Dinghy vangs
Cunninghams
Traveler controls
Halyards
Backstays
Materials
Nylatron® sheave
Grade 316 stainless steel load strap and head fitting
Impact and U.V. resistant, fiber reinforced Nylon cheeks
Features
Sheave Ø - 3/4 in.
Max. Rope Ø - 1/4 in.
Max. Cable Ø - 1/8 in
Pin Ø - in.
M.W.L. - 610 lb.
B. L. - 1210 lb.
Weight - 0.5 oz.
Product Information
Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.
Can be fitted with a shackle in either of two planes to allow correct alignment of the block.
Applications
Materials
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
4.8 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Essay to assemble
Color: Grey
Very nice. Did the job the way I wanted.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 2
Low budget option
Color: Grey
Budget low quality if thats what youre looking for
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
★★★★★ 3
Hard to assemble
Color: Grey
This is extremely hard to put together, but once its together it is pretty good. You will need to secure it to something. It falls over.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
Works well!
Color: Grey
Works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
better then expected
Color: Black
very easy to put together works perfectly! very stable for the side would buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
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