The Ronstan Series 30 Orbit Block is a high-performance triple block engineered with an optimized strength-to-weight ratio. Constructed from reinforced composite materials, this block provides smooth operation through precision-engineered ball bearings and a compact, low-profile design.
Key Features and Specifications:
- Sheave Diameter: 30mm (1-3/16 in.)
- Max Rope Diameter: 8mm (5/16 in.)
- Maximum Working Load: 550kg (1,210 lbs.)
- Breaking Load: 1,100kg (2,430 lbs.)
- Weight: 73g (2.6 oz.)
- Sheave Material: Carbon black Acetal
- Ball Bearings: Acetal
- Frame/Cheeks: Toughened, glass fiber reinforced Nylon
- Link: UV-stabilized, multi-strand impregnated SK75 Dyneema
Applications:
- Mainsheet and spinnaker sheet systems for dinghies up to 5m (16 ft.)
- Halyard, vang, and backstay applications for boats up to 5m (16 ft.)
- Control line applications for larger yachts
Product facts
- CT SKU
- CT-103698
- Model / MPN
- RF35302
- UPC / GTIN
- 9316800404995
- Package dimensions
- 2" X 2" X 4"
- Package weight
- 0.18 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
Shipping & returns
Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
