![Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/1280x1280/products/28085/36441/72300XL__02518.1646192323.jpg?c=1 "Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]")
![Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/28085/36441/72300XL__02518.1646192323.jpg?c=1 "Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]")
Series 30 Utility Block- Cheek, Curved Base
Features:
- Lightweight durable construction
- Economical
- Maintenance free
Product Information:
Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.
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
![Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]](https://cdn11.bigcommerce.com/s-akrdq0rr06/images/stencil/500x659/products/27438/35467/55176XL__47533.1646182396.jpg?c=1 "Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]")