+10% Metric Wire Rope and Sheave Gauge 21mm to 50mm (18 Gauges)
17 Stainless steel Blades in 2mm steps
Blade sizes are
20,21,22,23,24,26,28,30,32,34,36,38,40,42,44,46,48,50 mm
Sheave Gauge is +10%
Wire rope gauge is nominal
Size clearly engraved on each blade
Stainless steel permanent attachment point