![Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/600x600/products/26643/41746/72300XL__81772.1697173098.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-jxombk0idl/images/stencil/1280x1280/products/26643/41746/72300XL__81772.1697173098.jpg?c=1 "Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]")
Product Overview
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-jxombk0idl/images/stencil/500x659/products/21154/35398/55176XL__23251.1697158894.jpg?c=1 "Ronstan Series 30 Ball Bearing Orbit Block - Cheek [RF35151]")
![Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/26642/41745/72299XL__53333.1697173096.jpg?c=1 "Ronstan Series 30 Utility Block - Double, Tube Rivet [RF417]")
![Ronstan Series 30 Utility Block - Single, Becket, Loop Head [RF681]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/26637/41740/72293XL__19305.1697173084.jpg?c=1 "Ronstan Series 30 Utility Block - Single, Becket, Loop Head [RF681]")
![Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/25974/40952/70626XL__62225.1697171301.jpg?c=1 "Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]")
![Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]](https://cdn11.bigcommerce.com/s-jxombk0idl/images/stencil/500x659/products/26697/41802/72397XL__10524.1697173235.jpg?c=1 "Ronstan Series 30 Utility Ball Bearing Block - Single, Swivel Shackle Head [RF30100]")
