Ronstan RF41210 double block with becket and swivel shackle Ronstan RF41210 double block with becket and swivel shackle
Ronstan RF41210 double block with becket and swivel shackle

Ronstan

Ronstan RF41210 20mm Double Block with Becket | Swivel Shackle Head

$125.40
Tax included.

The Ronstan RF41210 is a compact, light-duty 20mm double pulley block with becket and a non-locking swivel shackle head, perfect for efficient line handling on dinghies, small keelboats, and tenders. Part of the Ronstan RF412 series, this block is built for control systems where multiple lines need smooth, flexible routing with a tie-off option.

The integrated becket provides an anchor point for purchase systems, while the twin sheaves allow for dual-line handling. Its swivel shackle head ensures free movement and alignment, making it ideal for applications like vangs, outhauls, cunninghams, and mainsheet systems.

✅ Key Features

  • Ronstan RF41210 – 20mm double block with becket

  • Non-locking swivel shackle head for flexible rigging

  • Twin sheaves for dual-line setups

  • Becket for tie-off or purchase system termination

  • Lightweight and compact design for small boats

  • UV-stable construction for marine durability

  • Ideal for outhauls, vang systems, and control lines

  • Trusted Ronstan quality for light-load sailing applications

Ronstan RF41210 Double, becket, swivel shackle head (non-locking) specifications:

  • Sheave Diam. 40mm.
  • Max. Rope Diam. 10mm.
  • Max. Working Load - 600 kg
  • B. L. - 1200 kg