HARKEN 114mm Sheave, 518 Block Configuration_Snatch This type of delivery system

This type of delivery system is not only faster for large jobs (less changing out of cartridges)

Low-friction Carbo Air blocks are lightweight

Main compartment with roll-top

Commonly 57mm blocks are for jibsheets and spinnakers on small dinghies

and allow the use of smaller

HARKEN 114mm Sheave, 518 Block Configuration_Snatch This type of delivery systemSelf contained sheaves are designed for sailors to use in custom applications. Big Boat and high load sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Narrow high load sheaves in mastheads improve sail handling, and speed sail changes, and allow the use of smaller, lighter halyard winches. High load titanium V sheaves feature the same incredibly efficient bearing set of angled titanium rollers as