Harken 57mm Ratchet Block — Swivel, Red Sheave 747 Pressure on the line engages

Pressure on the line engages the ratchet mechanism

Breaking load (kg)1000 kg

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

Use with track/rail2721

T2™ blocks come in single and double configurations and can be tied

Harken 57mm Ratchet Block — Swivel, Red Sheave 747 Pressure on the line engagesSheave (mm)57 mm Sheave (in)2 1 4 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)227 kg Maximum working load (lb)500 lb Carbo Ratchets allow sailors to hand hold loaded lines and offer balance between holding power and controlled easing. Part No. 2135. RED