![Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] Marine Hardware | Chocks Part #: 010-11733-00](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 27 - Aug 1
Part #: 010-11733-00
UPC: 894953001623
Visible Range (Miles): 3nm
Must be replaced every two (2) years from date of installation
and a notable level of quality
Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] Marine Hardware | Chocks Part #: 010-11733-00Nylatron 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