Harken 57mm Aluminum Double Block — Swivel RHKYC-Branded Sailing Clothing Breaking load (kg)1500 kg
Description
Breaking load (kg)1500 kg
Can be used as becket block
Weight (g)142 g
spring pin
Quantity25
Harken 57mm Aluminum Double Block — Swivel RHKYC-Branded Sailing Clothing Breaking load (kg)1500 kgPart No. 3217 Black 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. A center cage keeps Torlon roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting. Torlon is a registered trademark of
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