Harken Black Magic Airrunner Ringot 125 mm Ref. Part 3260 Ø of rea (mm) 125 mm Ø of the re (in) 4,15/16 in Ø Maxi rope (mm) 19 mm Ø Maxi rope (in) 3/4 in Maximum workload (kg) 4990 kg Maximum workload 11000 LB These pulleys are used for bastaques, which are used to adjust the bend of the mast as a function of the force of the wind, on the upper sailboats. The lateral openings and the embedding of the axis pins in the thickness of the cheek generate a smooth aesthetic and prevent the hanging of the sectors. Hard cheeks and re anodized ptfe treated for a perfectly smooth surface and maximum protection against UV. Low friction bearings with a central cage now the separate Torlon® rolls and parallels compared to each other. Torlon is a registered trademark by Solvay Advanced Polymers L.L.C. Specifications Ø of the re (mm) 125 mm Ø of the re (in) 4 15/16 in Length (mm) 240 mm Length (in) 9 1/2 in Width (mm) 183.5 mm Width (in) 7 7/32 in Weight (G) 950 g Weight (Oz) 33.52 OZ Ø Maxi rope (mm) 19 mm Ø Maxi rope (in) 3/4 in Maximum workload (kg) 4,990 kg Maximum workload 11000 lb Breakdown (kg) 9979 kg Breakdown (LB) 22000 LB Ø of the axis (mm) 19 mm Ø of the axis (in) 3/4 in The technical files of the Black Magic Airrunner Ringot 125 mm pulley can be downloadable here