Harken 18mm Fly Soft Attach Block Narrow 2161 whipping twine Can have colourants or metallic

Can have colourants or metallic powers added to enhance your design

Durable Nylon Spandex with UPF 50+ sun protection and smooth

Suitable for both rope or wire

Separate fast access Race and Time mode scrolling

Harken 18mm Fly Soft Attach Block Narrow 2161 whipping twine Can have colourants or metallicHarken 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 line, 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. 18 mm blocks feature an integrated stainless steel inner race and rivet,