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. Ideal as primary lead blocks on dinghies and catamarans and for control lines on larger yachts.

Double blocks allow the creation of powerful purchase systems. 2-way head can be fixed at 0 or 90 degrees.

Sheave diameter: 30mm (1-3/16"). See Technical Specs for more information.