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Description
Ronstan Series 75 Single Ratchet BlockProduct Description Ronstan Series 75 Single Ratchet Block 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 20: 1 holding power. Unrivalled 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
Product Description
Ronstan Series 75 Single Ratchet Block
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 20:1 holding power. Unrivalled 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). Ratchet blocks can be disassembled for servicing or customization.
Features
Unrivaled 20:1 holding power
Dual sided On-Off switch
Ability to operate On/Off switch under load
Low friction ball bearing system
Lightweight
Cheek cut-outs for easy bearing maintenance
Specifications:
Sheave Ø: 3 in. (75mm)
Max. Rope Ø: 1/2 in. (12mm)
Max. Cable Ø: - in (mm)
Pin Ø: 9/32 in. (7mm)
M.W.L.: 930 lb. (420 kg)
B. L.: 4400 lb. (2000 kg)
Weight: 5.7 oz. (162 g)
Applications
Mainsheet on powerful dinghies and skiffs
Series 60 mainsheet systems on sportsboats using RF7 mainsheet swivel units
Control line applications on larger yachts
Spinnaker sheets on sportsboats and small keel boats (lateral lead blocks)
Materials
Carbon black Acetal ball bearings
Anodised aluminium sheave and cheek plates
Torlon® ratchet pawl
Grade 316 stainless steel forged shackle
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 20:1 holding power. Unrivalled 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). Ratchet blocks can be disassembled for servicing or customization.
Features
Specifications:
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 5 reviews
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Product Reviews
★★★★★ 5
Nice
Fit perfectly works the same
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Reviewed in the United States on July 15, 2023
★★★★★ 1
Starter
Didn't even last two months having to replace it already
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Reviewed in the United States on March 22, 2026
★★★★★ 5
Price/Quality
Packaged very well, perfect fit and the quality looks great. Well worth the price.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
DIY!!
Bought this cabin air filter for my 2015 Honda CR-V and it fit perfectly. Installation was super easy and only took a few minutes. I immediately noticed the air coming through the vents smelled cleaner. No need to have it replaced for you. Definitely worth it if you want an affordable replacement that gets the job done.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Perfect replacement
Perfect replacement for our 2016 Acura RDX. Easy to install.
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Reviewed in the United States on May 3, 2026