Pay in 4 interest-free payments of $12.43 Learn more
![Ronstan Series 40 All Purpose Block - Single Upright Lead [RF41171] Outdoor | Night Vision Stud dimensions: 5/16](https://cdn.shopify.com/s/files/1/0177/6703/9076/files/70602XL.jpg?v=1761269796)
Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Stud dimensions: 5/16" x 7/8"
UPC: 011698009503
Move Around & Explore
almost double that of our nearest competitor
Ronstan Series 40 All Purpose Block - Single Upright Lead [RF41171] Outdoor | Night Vision Stud dimensions: 5/16" x 7/8"Series 40 All Purpose Block Single Upright Lead Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire. Applications: Typically used for halyards at the mast base. Materials: UV stabilised acetal sheave Grade 316 stainless steel load housing
US$ 64.95
US$ 39.95
US$ 10.00
US$ 35.00
