The Ronstan Series 15 Single Ball Bearing Utility Block features a loop head and represents a compact, lightweight solution for sailing rigging and control line systems. Its precision-molded acetal sheave rotates on stainless steel ball bearings to ensure low-friction operation and efficient performance.
- Smallest and lightest ball bearing block available from Ronstan
- Includes an integrated O-ring to separate the running line from the head lashing or fixing
- Sheave material: UV-stabilized acetal
- Ball bearing material: Stainless steel
- Cheek material: Grade 316 stainless steel
- Ideal for dinghy control lines, vangs, cunninghams, tweakers, and shock cord tensioning systems
- Manufacturer Part Number: RF15101
Product facts
- CT SKU
- CT-113967
- Model / MPN
- RF15101
- UPC / GTIN
- 9316800555116
- Package dimensions
- 1" X 2" X 4"
- Package weight
- 0.02 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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