Class: Class 1 Ultra Micro Restricted 20cm -30cm
Class: Class 2 Ultra Micro 20cm -30cm
Class: Class 3 Micro Restricted 30cm - 40cm
Class: Class 4 Micro 30cm -40cm
Class: Class 5 Mini - 40cm - 50cm
Class: Class 6 Midi - 50cm -60cm
Class: Class 7 Maxi - 60cm -80cm
Class: Class 8 Ultra Maxi - 80cm -1m
Class: Class 9 Accumulator