Harken's soft-attach fly sailing blocks are designed to provide superb strength without mass, providing users with big power in a low-aero package. Fly Blocks are incredibly efficient, with a high working load, despite their small size. Specially designed for high-tech lines, fly blocks are perfect for use on foiling dinghies and sportboats, and for vang cascades and backstay systems on Grand-Prix racers.

This 18mm block features an integrated stainless steel inner race and rivet, stainless steel ball bearings and composite fiber-reinforced sideplates.

Technical Specifications: