Precision moulded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range. Suitable for mainsheet, halyard, vang and spinaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 26 ft.

Fiddle blocks are ideal for fine-tune mainsheet tackles, cunninghams, boom vangs, backstays and other control line purchase systems.

Sheave diameter: 40mm (1-9/16"). See Technical Specs for more information.