Sailing Double Blocks
- Ronstan®40 Series Ball Bearing Sheave Double Utility Block with Swivel Shackle for 3/8" D Lines (RF40200)40 Series Ball Bearing Sheave Double Utility Block with Swivel Shackle for 3/8" D Lines by Ronstan®. Sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides...Low friction Acetal or Torlon® bearing systemLightweight$67.69
- Ronstan®50 Series Acetal Sheave Double Utility Block with Swivel Shackle for 1/2" D Lines (RF51200)50 Series Acetal Sheave Double Utility Block with Swivel Shackle for 1/2" D Lines by Ronstan®. All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races...Exceptionally high working loadsLow maintenance, long service life$71.27
- Rupp Marine®Double Halyard Lok-Up (CA-0157-2)Double Halyard Lok-Up by Rupp Marine®. Rupp Lok-Up's are an innovative new patented pulley system that locks down your halyard lines, keeping your outrigger release clips right where you want them. Robust modular design is adaptable to...High quality at an affordable priceExpertly made from premium materials$64.97
Whatever sailing boat you own, be it a dinghy, sloop, ketch, or schooner, it's outfitted with different kinds of blocks used to handle the lines. There can be single- double-, or even quad block models, along with more specific types such as fiddle, snatch, or traveler blocks. Each of them plays its own crucial role and has to be dependable and durable enough to work smoothly for years to come. Therefore, reputable companies implement the strongest corrosion-resistant materials and innovative designs in order to raise their efficiency, reduce friction, and improve safety.
In particular, sailing double blocks are used in various mainsheet systems, mastheads, boom vangs, and lots of other sailboat mechanisms. On our digital shelves, you will find a large assortment of such blocks featuring an optimized block geometry, stainless steel frame, and various solutions such as shackles and beckets to provide the best performance possible. We carry products by Lewmar, Ronstan, Harken, and plenty of other brands that are known for their impeccable reputation and high quality. For your convenience, our blocks have been sorted out by the line diameter, maximum working load, and sheave type.