Harken 57mm Fiddle Block - Swivel Apparel & Personal Gear High Load Sheave‚ By utilising

High Load Sheave‚ By utilising a stainless-steel sheave with a slight V shape profile offers the ability to be paired with both wire and Dyneema

Swivel Lock: The swivel can be locked in 90-degree orientations with the small black swivel lock at the top of the block

Bearings - A single row of spaced stainless steel ball bearings run on a stainless steel axle

The A2031XHL-873 is a Laser/ ILCA specific vang block

and 475 wire fairlead

Harken 57mm Fiddle Block - Swivel Apparel & Personal Gear High Load Sheave‚ By utilisingHarken 57mm Fiddle Block Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.