Brand: Ronstan
Ronstan Series 50 All Purpose Fiddle Block with Becket, RF51510
Ronstan Series 50 All Purpose Fiddle Block with Becket, RF51510
6 available
About this product
The Ronstan Series 50 All Purpose Fiddle Block with becket is designed for high performance in both cruising and racing applications, including mainsheet, halyard, vang, and spinnaker control line systems. This block features a self-lubricating Acetal polymer sheave on polished stainless steel races, providing low friction and durability for high static and dynamic loads.
- Construction: Grade 316 stainless steel load strap with impact and UV-resistant, fiber-reinforced Nylon cheeks.
- Head: Captive Lock universal head can be fixed in two planes or left to swivel.
- Becket: Snap-fit removable becket pin allows for pre-splicing of lines and locks without tools or split rings.
- Compatibility: Suitable for boats up to 10m (33ft).
- Shackle: Includes a slotted pin shackle to prevent fouled lines.
- Manufacturer Part Number: RF51510.
- Spare Parts: Compatible with RF51010 replacement becket pin and RF150 shackle.
These blocks are suited for fine-tune mainsheet tackles, cunninghams, backstays, and other purchase systems requiring reliable performance and longevity.
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-114661
- Model / MPN
- RF51510
- UPC / GTIN
- 9316800241347
- Package dimensions (H × W × L)
- 1" X 4" X 7"
- Package weight
- 0.42 lb
Specifications
- Type
- Ronstan Series 50 All Purpose Block - Fiddle - Becket
Shipping & returns
Shipping & returns
Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.
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.
