Stanchion Block

$ 54.95

Stanchion Block -25mm

In stock

Product Information

Ronstan Stanchion Block

This Ronstan stanchion block is specifically designed for sailboats and smaller yachts.

It has been designed with a 20mm ball bearing sheave that can take up to Ø12mm line ensuring friction is kept to a minimum.

  • Designed to fit 25mm stanchions.
  • Suits most mast profiles
  • It is used to guide and control lines neatly and efficiently.


  • UV.stabilised Acetal sheave.
  • UV. Stabilised nylon housing

Ronstan is a well-known brand known for its high-quality marine hardware, so you can expect durability, reliability, and smooth operation from their stanchion blocks.

Benefits of Use:

  • Improved control: Ronstan blocks are known for their smooth operation, making handling lines easier and more efficient.
  • Cleaner deck layout: Reduces clutter and tripping hazards on the deck.
  • Reduced wear and tear: Minimizes friction on lines, extending their lifespan.
  • Brand reputation: Ronstan is a trusted brand in the marine industry, so you can expect high-quality materials and construction.

Safety note: Always ensure Ronstan stanchion blocks are securely mounted and lines are properly led through them to avoid them disengaging or jamming, which could be dangerous while sailing.