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Description
Ronstan Series 50 All Purpose Single Universal Head BlockProduct Description Ronstan Series 50 All Purpose Single Universal Head Block Features Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Captive Lock universal head Slotted pin shackle eliminates fouled lines Sheave 2 in. Max. Rope 1 2 in. Max. Cable in Pin 3 16 in. M. W. L. 1650 lb. B. L. 3310 lb. Weight 4. 2 oz. Product Information All purpose (AP) blocks are a great all around solution. Self lubricating
Product Description
Ronstan Series 50 All Purpose Single Universal Head Block
Features
Exceptionally high working loads
Low maintenance, long service life
Self-lubricating sheave
Captive Lock™ universal head
Slotted pin shackle eliminates fouled lines
Sheave Ø - 2 in.
Max. Rope Ø - 1/2 in.
Max. Cable Ø - in
Pin Ø - 3/16 in.
M.W.L. - 1650 lb.
B. L. - 3310 lb.
Weight - 4.2 oz.
Product Information
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads.
For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required
Applications
Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
Materials
U.V. stabilized Acetal sheaves
Impact and U.V. resistant, fiber reinforced Nylon cheeks
Grade 316 stainless steel bearing race
Grade 316 stainless steel load strap and head fitting
Impact and UV resistant, fiber reinforced Nylon cheeks
Features
Sheave Ø - 2 in.
Max. Rope Ø - 1/2 in.
Max. Cable Ø - in
Pin Ø - 3/16 in.
M.W.L. - 1650 lb.
B. L. - 3310 lb.
Weight - 4.2 oz.
Product Information
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads.
For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required
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
4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
very good quality
Format: Paperback
very good quality
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Reviewed in the United States on June 10, 2023
★★★★★ 5
They're asking for more!
Format: Paperback
The nephews (10 & 8) love reading these! They actually put their tablets down and choose to read! I bought this one and another so once it was read, the nephews swapped and had more adventures! They're asking for more!
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Engaging book
Format: Paperback
Great book for kids my 4th grader loves it.
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Reviewed in the United States on May 22, 2025
★★★★★ 5
Fun
Format: Paperback
This was fun to do, my entire family loved making choices and seeing their endings
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Reviewed in the United States on July 8, 2024
★★★★★ 5
Good books
Format: Paperback
These are fun and educational and very accessible for kids.
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Reviewed in the United States on October 15, 2023