+2.5% Metric Wire Rope and Sheave Gauge 3.5mm to 20mm
21 Stainless steel Blades in 1mm steps, plus 3.5mm, 4.5mm, 5.5mm, 6.5mm
Sheave Gauge is +2.5%
Wire rope gauge includes -3.125% and -6.25% (ASME)
Size clearly engraved on each blade
Stainless steel permanent attchment point