![Ronstan Series 30 Utility Block - Cheek, Curved Base [RF285]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/1280x1280/products/48582/89077/72300XL__88558.1642112107.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-2vfwgyus8b/images/stencil/500x659/products/48582/89077/72300XL__88558.1642112107.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
- MPN:
- RF285
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![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]")
![Ronstan Series 30 Utility Block - Single, Becket, Loop Head [RF681]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/48576/89071/72293XL__10868.1642112095.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-2vfwgyus8b/images/stencil/500x659/products/47872/88217/70626XL__37773.1642110470.jpg?c=1 "Ronstan Series 40 Ball Bearing Orbit Block - Cheek [RF45151]")