Harken 29mm Carbo Double Fixed Block snap shackle which includes a Pivoting Shackle

which includes a Pivoting Shackle

Red and green version available for port and starboard

The 29mm Double Bullet Block

and allows for fast trimming and release under both high and low loads

fleece-like

Harken 29mm Carbo Double Fixed Block snap shackle which includes a Pivoting ShackleThis Harken 29mm double block creates low friction and is lightweight, strong and reliable. These small, compact blocks have very high working loads for safe, easy trimming. Ideal for a mainsheet or jib purchase system. Specifications Sheave (mm) 29 mm Length (mm) 54 mm Weight (g) 34 g Maximum line (mm) 8 mm Maximum working load (kg) 299 kg Breaking load (kg) 737 kg