Single HR roller block - Sheave 100 - Swivel head

Complete range of blocks for yachts and mega yachts
High working and breaking loads
Excellent high-speed low load and high-function load characteristics
Alloy sheaves design to suit modern ropes
Protection of the sheave by the cheeks for added durability 
Interchangeable head fastening systems for multiple attachment methods
Multiple position, grub screw lockable head post swivel                              

Genoa and spinnaker sheets
Mainsail systems and travelers
Running backstays