![Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] Marine Hardware | Chocks UPC: 8059617812430](https://cdn.shopify.com/s/files/1/0422/8913/5778/files/55219XL.jpg?v=1744399117)
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
UPC: 8059617812430
The CM-Series is a long tested standard in mooring buoy design and is preferred by many boaters worldwide
Fully programmable shift delays
Must be replaced every two (2) years from date of installation
suffer virtually no tooth wear and are non rope abrasive
Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] Marine Hardware | Chocks UPC: 8059617812430Nylatron Sheave Box Single Upright Lead Block Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted position, are frequently used as upright leads. Features: The external tabs can be formed to fit the spar profile before fastening Applications: Typically used in dinghy spars for control lines such as outhauls Materials: Nylatron sheave Grade 316 stainless steel
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