A-17 inch-43cm
B-13.5 inch-34.2cm
C-27 inch-68cm
D-13 inch-33cm
E- 29 inch-73.6cm
F- 40.5 inch-102.7cm
G-9.5inch-24cm

6/6 - perfect condition. No signs of used
5 /6 - near perfect condition - barely visible signs of used.
5/6 - very good condition - normal, little signs of used. 
4/6 - good condition. may have little spots of dirt, small holes itp. 

100% Satisfaction or money back guarantee - If you're not utterly obsessed with your recent purchase, it's now so easy to send it back. If you have any questions please .