Class: Class 1 20cm -30cm Restricted
Class: Class 2 20cm -30cm
Class: Class 3 30cm - 40cm Restricted
Class: Class 4 30cm - 40cm Open
Class: Class 5 50cm Restricted
Class: Class 6 50cm open
Class: Class 7 60cm open
Class: Class 8 70cm open
Class: Class 9 80cm open
Class: Class 10 90cm - 1m open
