you can increase the purchase on an existing 27 mm CB Traveler Car up to a maximum of 4:1
add endstops to traveler track to absrob shock loads
Schaefer Spring-Loaded Block provides full rotation and articulation
Harken 57mm ESP Forkhead Block with a high-strength axle for high static loads
A unique block that is synchronized with running rigging systems
HARKEN 57mm Aluminum Block — Swivel, Becket, 3216 Track Mount_Slide Bolt you can increase the purchaseBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. Used on offshore boats, these strong, lightweight blocks feature aluminum cheeks, and free rolling, high load Torlon roller bearings for a high strength to weight ratio. Use them for sail controls that see lots