Harken 22mm Micro Stand Up Block Sheaves mainsheet fine-tune

mainsheet fine-tune

finally testing them hard for over 8 months in various conditions

Fixing Hole Size  - 5mm

Sheave Ø (mm):57

Its high-visibility vane and UV-resistant materials ensure that it can withstand prolonged exposure to harsh marine environments

Harken 22mm Micro Stand Up Block Sheaves mainsheet fine-tuneThis Upright variant of the Harken 22mm boat block is specifically sized and designed so it can be used on sailboards and or smaller dinghies, along with lightly loaded control lines (on all sized boats). The exclusive Delrin ball bearing system runs along micro block sheaves, and has been UV stabilized with carbon black for the best protection possible. Add in stainless steel sideplates for additional strength, and you have a low friction, compact