Top block only for Two Speed Easymatic 3:1 / 6:1 mainsheet system. Easyblocks use robust and free running ball bearing sheaves for a reliable and easy to use two speed mainsheet block system. Pull both lines at once for a fast 3:1 ratio or pull one line at a time for a more powerful 6:1 ratio.
Top block only. Use with Easyblock #23101 bottom block.

Recommended Max Boat Size: 32 feet (10m)
Recommended Max Mainsail Area: 302 square feet. (28sqm)