The Ronstan Series 20 Ball Bearing Orbit Block is a lightweight, high-load single block designed for control lines on dinghies and catamarans up to 5 meters (16 feet). Weighing just 9 grams, it is engineered for exceptional performance in a compact form.
- Load Capacity: Up to 250 kg (550 lb)
- Attachment: Features an integrated stainless steel hub for lashing; includes 750 mm (30 in) by 1.7 mm (1/16 in) diameter lashing line
- Compatibility: Accommodates lashing up to 4 mm (5/32 in)
- Materials: High compression strength carbon acetal sheave, stainless steel ball bearings, and nylon frame/cheeks
- Manufacturer Part Number: RF25109
Product facts
- CT SKU
- CT-103689
- Model / MPN
- RF25109
- UPC / GTIN
- 9316800414185
- Package dimensions
- 1" X 2" X 5"
- Package weight
- 0.03 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.
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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.
