[HK-3227] HARKEN 57 mm Aluminum Stand-up Block

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Description

[HK-3227] HARKEN 57 mm Aluminum Stand-up BlockBlack 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. Sideplates and sheaves Hard Lube anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L. L. C.

The V block delivers another breakthrough in Harken’s loop block series for Grand-Prix racers

Harken V blocks are standard with 3D-molded carbon sideplates

Slug-mount kits fit masts with sail grooves for mast-up installation

but can also be used with conventional sails

responsiveness and grip

Use 580 couplers for single-point attachments

and the car stays in the same position

The 16 mm is Harken’s smallest block

Available as kits

Lightweight

Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system

and you don’t need to recut your sail