Brand: Ronstan
Ronstan Shock Sheaveless Block - 3/8 in. Blue, RF8081BLU
Ronstan Shock Sheaveless Block - 3/8 in. Blue, RF8081BLU
6 available
The Ronstan Shock is a lightweight, sheaveless block designed for high-load applications where durability and maintenance-free performance are essential. Constructed from anodized aluminum, this compact block features no moving parts, making it resistant to grit and salt that would typically compromise standard bearing systems. Its 3-dimensional geometry is optimized to reduce line wear while maintaining strength, even under poor lead angles.
Key Features:
- Designed for soft attachment via line splicing or lashing
- Elongated aperture allows for secure webbing attachment
- Ideal for kitesurfing, paragliding, small sailboat rigging, and general marine use
- Impact-resistant, anodized aluminum construction
- Optimized for lines from 1.4 mm to 10 mm (1/16 in. to 3/8 in.)
- Breaking load: 1,000 kg (2,200 lbs.)
- Dimensions: 36 mm (1-7/16 in.) length, 24.8 mm (1 in.) width, 14.5 mm (9/16 in.) height
- Weight: 12 g (0.42 oz.)
- Manufacturer Part Number: RF8081BLU
Product facts
- CT SKU
- CT-113898
- Model / MPN
- RF8081BLU
- UPC / GTIN
- 9316800525959
- Package dimensions
- 1" X 1" X 1"
- Package weight
- 0.03 lb
- Specifications
- Color = Blue
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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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.
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Need help choosing?
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