Brand: Ronstan
Ronstan Series 50 All Purpose Single Stand Up Block
Ronstan Series 50 All Purpose Single Stand Up Block
5 available
The Ronstan Series 50 All Purpose Single Stand Up block is engineered for high performance in both cruising and racing applications. It features a self-lubricating Acetal polymer sheave that ensures low friction and high durability under both dynamic and static loads.
- Series 50 single stand-up design with Captive Lock universal head.
- Material: Grade 316 stainless steel load strap with impact and UV-resistant, fiber-reinforced Nylon cheeks.
- Features: Slotted pin shackle to prevent fouled lines; removable becket pin for easy line splicing.
- Mounting: Designed for installation with 2 x 5mm (3/16") fasteners (not included).
- Applications: Suitable for mainsheet, halyard, vang, and spinnaker control lines on boats up to 10m (33ft); also used for fine-tune tackles and lead pullers on larger vessels.
- Manufacturer Part Number: RF51140.
Product facts
- CT SKU
- CT-113963
- Model / MPN
- RF51140
- UPC / GTIN
- 9316800334599
- Package dimensions
- 1" X 3" X 6"
- Package weight
- 0.28 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.
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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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