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Description
Ronstan Series 75 Triple Becket Block w/ CleatProduct Description Ronstan Series 75 Triple Becket Block w Cleat Features Unrivaled 18: 1 holding power Dual sided On Off switch Low friction ball bearing system Lightweight Cheek cut outs for easy bearing maintenance Lockable swiveling head post High strength forged shackle Multi position cleat arm Sheave 3 in. Max. Rope 1 2 in. Max. Cable in Pin 9 32 in. M. W. L. 1510 lb. B. L. 4410 lb. Weight 27. 9 oz. Product Information The patented extruded
Product Description
Ronstan Series 75 Triple Becket Block w/ Cleat
Features
Unrivaled 18:1 holding power
Dual sided On-Off switch
Low friction ball bearing system
Lightweight
Cheek cut-outs for easy bearing maintenance
Lockable swiveling head post
High strength forged shackle
Multi-position cleat arm
Sheave Ø - 3 in.
Max. Rope Ø - 1/2 in.
Max. Cable Ø - in
Pin Ø - 9/32 in.
M.W.L. - 1510 lb.
B. L. - 4410 lb.
Weight - 27.9 oz.
Product Information
The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 18:1 holding power. Unrivaled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired), and for foot blocks simply turn the sheave upside down before installation to change the sense of rotation. Unique On-Off switch mechanism can be operated under load. Ratchet blocks can be disassembled for servicing or customization.
Removable becket pins allow lines to be pliced prior to fitting. Saddle on under side of cleat can be used as a becket take off point for the creation of a powerful 6:1 purchase system. A single block can be attached to the saddle to increase this to 7:1
Applications
Mainsheet on powerful dinghies and skiffs Mainsheet systems on sportsboats using RF7 or RF8 mainsheet swivel units
Triple ratchet blocks are ideal for off-the-beach and formula catamarans, fiddle versions are used on sportsboat mainsheet systems
Vang, furler and other control line applications on larger boats
Materials
Carbon black Acetal ball bearings
Alloy sheave and cheek plates
Torlon® ratchet pawl
Grade 316 stainless steel forged shackle
Features
Product Information
The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 18:1 holding power. Unrivaled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired), and for foot blocks simply turn the sheave upside down before installation to change the sense of rotation. Unique On-Off switch mechanism can be operated under load. Ratchet blocks can be disassembled for servicing or customization.
Removable becket pins allow lines to be pliced prior to fitting. Saddle on under side of cleat can be used as a becket take off point for the creation of a powerful 6:1 purchase system. A single block can be attached to the saddle to increase this to 7:1
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
4.1 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
great briefs
nice underwear very comfortable and cool color selection.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
4star
Fits well, looks great, soft feel
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Reviewed in the United States on February 15, 2026
★★★★★ 5
Very comfortable
Size: Large, Color: White
These underwear are super comfortable. Sizes run true to what's list. I'm going to purchase moe.
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Comfortable Stretch Brief
Size: Medium, Color: Red Orange Yellow Blue
I purchased the cotton stretch Briefs for my husband and he says they are not only comfortable, but have a great fit. He’s very athletic and complained about how some of his briefs would shift when running or other activities. These do not! The fabric breaths and stays cool, and no chaffing. We’ll be getting a few more of these Stretch Briefs for sure!
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Reviewed in the United States on March 15, 2026
★★★★★ 5
True size!
Size: Medium, Color: Red Orange Yellow Blue
True fit for size. Extremely comfortable. Long lasting product.
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Reviewed in the United States on April 29, 2026