Brand: Ronstan
Ronstan Series 25 Single Utility Block with Swivel Shackle Head (RF573)
Ronstan Series 25 Single Utility Block with Swivel Shackle Head (RF573)
6 available
About this product
The Ronstan Series 25 Single Utility Block features a swivel shackle head and is engineered for lightweight, durable performance on a variety of watercraft. This block is constructed with 316-grade stainless steel cheeks and UV-stabilized acetal sheaves, providing a maintenance-free solution for your rigging needs. The hollow rivet in the block head accommodates shackles and allows for the addition of a becket for increased purchase.
Key Features and Applications:
- Ideal for vang, cunningham, and trapeze retriever systems on dinghies
- Suitable for leech line tackles and bunk adjusters on larger vessels
- Maintenance-free, lightweight design
Specifications:
- Sheave diameter: 25mm (1 in.)
- Maximum rope diameter: 6mm (1/4 in.)
- Pin diameter: 4mm (5/32 in.)
- Maximum working load (M.W.L.): 150kg (330 lbs)
- Breaking load (B.L.): 300kg (660 lbs)
- Weight: 20g (0.7 oz)
- Manufacturer Part Number: RF573
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-114623
- Model / MPN
- RF573
- UPC / GTIN
- 9316800003877
- Package dimensions (H × W × L)
- 1" X 2" X 3"
- Package weight
- 0.05 lb
- Country of origin
- INDONESIA
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.
