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![Ronstan Series 40 All Purpose Block - Single Upright Lead [RF41171]](https://cdn.shopify.com/s/files/1/0405/8454/4408/files/70602XL.jpg?v=1745513825)
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Ronstan Series 40 All Purpose Block - Single Upright Lead [RF41171]Series 40 All Purpose Block Single Upright Lead Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire. Applications: Typically used for halyards at the mast base. Materials: UV stabilised acetal sheave Grade 316 stainless steel load housing
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
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4.3 ★★★★★
Based on 1374 reviews
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Product Reviews
★★★★★ 4
Not for older dogs
Size: 6 in, Color: Blue
Item was on point as described, but my elderly dog was not interested.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Great Chew Toy for Daily Play
Size: 6 in, Color: Blue, Size: 6 in, Color: Blue
My dog absolutely loves this toy. From the first moment he grabbed it, he wouldn’t stop playing with it. He chews on it, runs around with it, and even sleeps with it sometimes. What I like most is how durable it is — even with constant biting, pulling, and chewing, it hasn’t broken or shown any damage. The material feels strong but still safe for him to chew. The texture also seems to keep him entertained because it massages his gums while he plays. It’s lightweight, easy for him to carry, and the shape makes it fun for both chewing and tossing. This toy has become one of his favorites, and I’m really happy with the quality. I would definitely recommend it for dogs who love to chew.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Longest lasting toy in our toy box
Size: 6 in, Color: Blue
My German shepherd/Austrian shepherd mix destroys toys very quickly. This is his longest lasting toy that he actually uses and still has no visible signs of destruction.
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Reviewed in the United States on June 11, 2026
★★★★★ 5
actually durable
Size: 6 in, Color: Blue
my puppy shreds every "indestructible" toy I give to her instantly. she's had one for months and it is only missing a corner of it, so I bought a spare. it also smells like food. she loves it.
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Reviewed in the United States on July 4, 2025
★★★★★ 5
Durable
My dogs love these. They actually last. Everything else they chew right up. Literally. Even the Kongs.
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Reviewed in the United States on April 22, 2026
