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RONSTAN
Series 40 All-Purpose Blocks
Much stronger than other same-size blocks and much more compact than other blocks handling the same loads. “Smart” features include a unique captive lock universal head fitting and an adjustable cam arm. The ball bearing blocks feature Ronstan’s two-stage bearing system, which has exceptional low-friction performance and very high maximum working loads. Includes a unique ball bearing fiddle block. For dinghies and keelboats to 26'.
- Sheave: UV stabilized acetal
- Bearings: Two-stage acetal ball bearing system or plain bearing
- Sheave Size: 1-9/16" (40mm)
- Line Diameter: 7/16" max. (except fiddle blocks: 5/16" max.)
- Cheek Material/Finish: Stainless and fiber-reinforced textured Zytel
- Shackle/Strap Type: Universal head shackle. Either locks (0° or 90°) or swivels
Product Specs
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REVIEW SNAPSHOT®
by PowerReviews(based on 4 reviews)
Ratings Distribution
75%
of respondents would recommend this to a friend.
Pros
- Easy to install (3)
Cons
Best Uses
- Sailing (4)
Reviewed by 4 customers
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Displaying reviews 1-4
Pros
- Easy To Install
- Quality Construction
Cons
Best Uses
- Sailing
Comments about Series 40 All Purpose Blocks:
Actually bought the wrong size, so can't comment at this time.
Pros
- Easy To Install
- Easy To Use
Cons
Best Uses
- Sailing
- Small Boats
Comments about Series 40 All Purpose Blocks:
Convenient compact pulley for it's mwl.
Pros
- Quality Construction
Cons
- None
Best Uses
- Sailing
Comments about Series 40 All Purpose Blocks:
Used for jjb halyard on small sailboat.
Pros
- Easy To Install
- Easy To Use
Cons
Best Uses
- Sailing
- Small Boats
Comments about Series 40 All Purpose Blocks:
If you are a recreational sailor this product strikes the right balance between quality and price. I use several of them for control lines on my 25ft. Freedom.
Displaying reviews 1-4
