![Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/1280x1280/products/48581/89076/72299XL__30313.1642112105.jpg?c=1 "Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]")
![Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/48581/89076/72299XL__30313.1642112105.jpg?c=1 "Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]")
Series 30 Utility Block- Double, Tube Rivet
Features:
- Lightweight durable construction
- Economical
- Maintenance free
Product Information:
Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase.
Applications:
- Vang, cunningham and trapeze retriever systems on dinghies
- Leech line tackles, bunk adjusters etc on larger yachts
Materials:
- U.V. stabilized Acetal sheaves
- Grade 316 stainless steel cheeks
- MPN:
- RF417
![Ronstan Series 15 Ball Bearing Utility Block - Double, Loop Head [RF15202]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/48066/88438/71027XL__70419.1642110881.jpg?c=1 "Ronstan Series 15 Ball Bearing Utility Block - Double, Loop Head [RF15202]")
![Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/48639/89136/72397XL__59909.1642112231.jpg?c=1 "Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]")