Best in 7 days
![Ronstan Series 50 All Purpose Block - Triple [RF51300]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/70685XL.jpg?v=1591347733)
![Ronstan Series 50 All Purpose Block - Double [RF51200]](https://cdn.shopify.com/s/files/1/0405/8454/4408/products/70683XL.jpg?v=1591347717)
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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 17 - Jun 22
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 50 All Purpose Block - Double [RF51200]Series 50 All Purpose Block Double 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. Swivel shackle head for full 360 degree rotation (non locking).
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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4.8 ★★★★★
Based on 1546 reviews
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Product Reviews
★★★★★ 5
It's K&N. Top quality filters
Fit perfectly. I've used K&N filters before and they worked great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
★★★★★ 5
Fits perfectly
Fits perfectly and easy installation. Thanks !!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 6, 2025
★★★★★ 5
2024 Honda CR-V
Worked for 2024 Honda CR-V Sport (Hybrid). Sizing was appropriate and the new filter slid in without any issue. Consider the filter to be of good quality. Would recommend.
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Reviewed in the United States on December 20, 2025
★★★★★ 4
more power
get more horse power & gas mileage
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Reviewed in the United States on April 19, 2026
★★★★★ 5
It Fits
it s fit and works like other K &N products
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Reviewed in the United States on July 8, 2025
