+2.5% Metric Wire Rope and Sheave Gauge 62mm to 80mm (2mm steps) 15 Blades
62,64,66,68,70,72,74,76,78,80mm (10 Gauge)
Sheave Gauge is +2.5%
Wire rope gauge includes -3.125% and -6.25% (ASME)
Size clearly engraved on each blade
Stainless steel permanent attachment point