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. Cheek cut-outs for easy bearing maintenance. Ideal for primary applications on boats up to 33 ft.

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

Sheave diameter: 54mm, 34 mm(2-1/8", 1-5/16"). See Technical Specs for more information.