Harken 57mm T2 Air Block - This all-composite, low-friction block has no fasteners, rivets or other metal parts giving an exceptionally light block. Supplied with a spectra cord it can be tied or lashed to almost anything.
Use for traveler controls, mainsheet & vangs systems, cascades, bridles etc.
Specification:
• Sheave Diam: 57mm
• Max Rope: 10mm
• S.W.L: 359kg, B.L: 1080kg
• Weight: 57g