They have no metal shackles or rivets

Its oval shape allows the padeye to be placed optimally according to the angle and direction og the load

resistance and long life

Weight: 77

Alternatively it can be used to store your wet items inside your gear bag

Harken 18mm Fly Soft-Attach Block 2698 Propspeed They have no metal shacklesHarken 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,