Harken 22mm Stand-Up Toggle — 5 mm Pin, Control Tangs, 2747 Block Configuration_Mastbase They also perform a variety

They also perform a variety of control functions on many boats

Fly blocks are perfect for use on foiling dinghies and sportboats and for Vang cascades and backstay systems on Grand-Prix racers

The 433 and 394 dinghy clew hooks are designed for Lasers® and other loose-footed dinghies

Harken 76mm Midrange Double Block with Becket allows either a 2:1 or 3:1 purchase

Models with swivels feature stainless steel shackles

Harken 22mm Stand-Up Toggle — 5 mm Pin, Control Tangs, 2747 Block Configuration_Mastbase They also perform a varietyStand up toggles hold blocks upright on travelers. Stand up toggles with control tangs allow attachment of control blocks.  2747