Brand: Ronstan
Ronstan Series 40 All Purpose Single Block with Universal Head (RF41100)
Ronstan Series 40 All Purpose Single Block with Universal Head (RF41100)
2 available
About this product
The Ronstan Series 40 All Purpose Single Block features a self-lubricating Acetal polymer sheave that operates on a polished stainless steel race to handle both dynamic and high static loads. This versatile block is built for long-term durability in cruising and racing applications, suitable for sheets, halyards, and control lines on catamarans, one-design classes, and sportsboats up to 8m (26'). The Captive Lock universal head can be fixed in two different planes or left free to swivel as needed.
Key Features:
- Captive Lock universal head
- Slotted pin shackle to prevent line fouling
- Exceptionally high working loads
- Self-lubricating, UV-stabilized Acetal sheaves
- Impact and UV-resistant, fiber-reinforced Nylon cheeks
- Grade 316 stainless steel bearing race, load strap, and head fitting
Specifications:
- Manufacturer Part Number: RF41100
- Sheave Diameter: 40mm (1-9/16 in.)
- Max. Rope Diameter: 10mm (7/16 in.)
- Pin Diameter: 5mm (3/16 in.)
- Maximum Working Load (M.W.L.): 400kg (880 lbs.)
- Breaking Load (B.L.): 1,000kg (2,200 lbs.)
- Weight: 71g (2.5 oz.)
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-103707
- Model / MPN
- RF41100
- UPC / GTIN
- 9316800242870
- Package dimensions (H × W × L)
- 1" X 3" X 4"
- Package weight
- 0.17 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.
