Ronstan Series 20 Ball Bearing Block - Double, In-Line - RF20281

Ronstan Series 20 Ball Bearing Block - Double, In-Line - RF20281

Marsoni

M251S

$33.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Ronstan Series 20 Ball Bearing Block - Double, In-Line - RF20281Series 20 Ball Bearing Block Double, In Line Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller controls Dinghy barber haulers Spinnaker pole launching systems Materials: Stainless Steel ball bearings UV stabilized Acetal sheave Grade 316

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I am satisfied with this 4 AWG cable. The insulation coating is soft, and the cable itself is very pliable, making it easy to bend and route into the configuration needed for installation. Despite the flexibility, it still feels like a heavy-duty cable designed to handle demanding applications. I am using this cable to provide the necessary amperage to start the generator on my trailer, and it performs as expected. I also like that the wire gauge and cable properties are clearly printed along the side of the insulation, making identification easy during installation or future maintenance. The cable arrived in good condition with no obvious odor from the insulation or packaging. Overall, this appears to be a quality heavy-duty cable that is flexible, easy to work with, and suitable for high-current applications.

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Reviewed in the United States on May 8, 2026