+2.5% Metric Wire Rope and Sheave Gauge 3.5mm to 10mm
Blade sizes are
3.5,4,4.5,5,5.5,6,6.5,7,8,9,10 (11 gauges)
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