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- USA
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
For Your Every Summer RSVP, with Code: SUMMER15
Description
Ronstan Series 30 Bb Orbit Block Single Lashing HeadSeries 30 Ball Bearing Orbit Block Single Becket Lashing Head Ball Bearing Orbit Blocks Boast The Highest Strength To Weight Ratio Available. This Is Achieved Through All Composite Reinforced Polymer Materials And Multiple Attachment Options. Their Precision Design Provides The Optimum Number Of Ball Bearings For Minimum Friction While Weight Reduction Is Achieved Through The Use Of Fiber Reinforced Composites In The Block Head, Cleat Arms And
Series 30 Ball Bearing Orbit Block - Single - Becket - Lashing HeadBall Bearing Orbit Blocks Boast The Highest Strength-To-Weight Ratio Available. This Is Achieved Through All-Composite Reinforced Polymer Materials And Multiple Attachment Options.
Their Precision Design Provides The Optimum Number Of Ball Bearings For Minimum Friction While Weight Reduction Is Achieved Through The Use Of Fiber-Reinforced Composites In The Block Head, Cleat Arms And Beckets.
Features:
- Lightweight
- Highest Working Load In Its Class
- Secure, Versatile And Secure Attachement
- Low Profile And Compact
- Ultra Low Profile Thru-Sheave Becket
- Rf35101 Accepts Rf1850S Shackle In Both Orientations To Create A Conventional Loop Top Block
- Self-Lubricating Nylatron&Reg; Sheave And Full Contact Bearing For High Dynamic Loads
Applications:
- Mainsheet Systems And Spinnaker Sheets On Dinghies To 5M(16')
- Halyard, Vang And Backstay Applications On Boats To 5M(16')
- Control Line Applications On Larger Yachts
Materials:
- Sheave: High Compression Strength Carbon Black Acetal
- Ball Bearings: High Compression Strength Acetal
- Frame/Cheeks: Toughened, Glass Fiber Reinforced Nylon
- Link: Uv Stabilized, Multi-Strand Impregnated Sk75 Dyneema&Reg;
Specifications:
=Sheave Ø:30Mm(1-3/16')
Max. Rope Ø:8Mm(5/16')
M.W.L.:300Kg(660Lbs)
B. L.:600Kg(1,320Lbs)
Weight:22G(0.8Oz)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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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 18 reviews
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Product Reviews
★★★★★ 5
Review
Format: Paperback
I loved the book, it breaks it down for you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 1, 2025
★★★★★ 5
Great and practical!
Format: Paperback
I love this and use it daily in my practice at an Urgent Care. It is easy to use and very handy, I keep in my drawer beside me and use it often. It gives everything about the drugs and the diagnoses are easy to find and listed alphabetically. Great quality and well written. Would highly recommend!
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Worth the splurge
Format: Paperback
Love this book! It very helpful for everyday patient care.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2025
★★★★★ 5
Great guide
Format: Paperback
This is one of my go to guides for prescribing medications. A must for NP students
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2024
★★★★★ 3
Not what I needed
Format: Paperback
I was looking for a book that could guide me through prescribing medication from the most basic conditions to the more complicated patients. This book didn’t even cover sulfur allergies. I was truly disappointed
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Reviewed in the United States on October 27, 2024