Designed for racing boats, these low-friction, high-load, Series 55 Orbit ball bearing cheek and halyard turning blocks have the highest strength-to-weight ratio available. Suitable for spinnaker sheets on dinghies, sportsboats and small keel boats to 30 ft., halyard applications on boats to 26 ft., and control lines on larger yachts.
Ultra lightweight
Low friction 2-stage ball bearing system ensures low friction and high load capacity
Highest working load in its class
Low profile and compact
Cheek block has recessed underside to suit cruved mounting surface
Sheave diameter: 2-3/16" (55mm)