HARKEN 18 mm Fly Soft-Attach Double Block, 2158 Block Configuration_Soft-attach and 75mm Carbo Ratchamatic® is

and 75mm Carbo Ratchamatic® is adjustable for many applications and weather conditions

Harken forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter

The HARKEN Bullseye Swivel Base with 150 Cam-Matic® (240) is a compact

Delrin sheave and ball bearings

HARKEN 18 mm Fly Soft-Attach Double Block, 2158 Block Configuration_Soft-attach and 75mm Carbo Ratchamatic® isHarken soft attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low aero package. Designed specifically for high tech lines, these efficient blocks have an incredible working load for their small size. Fly blocks are perfect for use on foiling dinghies and sportboats and for Vang cascades and backstay systems on Grand Prix racers.