Sheave Ø (mm) 125mm

Ø of sheave (in) 4 15/16 in

Max rope Ø (mm) 19mm

Max rope Ø (in) 3/4in

Maximum working load (kg) 4990kg

Maximum workload 11000 lbs.

Particularly popular on large performance-oriented regatta boats and cruising sailboats, Black Magic Air's lightweight and highly efficient blocks are ideal for trim systems that are used frequently. Hard anodized cheeks and sheaves with PTFE treatment for a perfectly smooth surface and maximum UV protection. Low-friction bearings feature a central cage that keeps the Torlon® rollers separate and parallel to each other. Torlon is a registered trademark of Solvay Advanced Polymers LLC