9.00-20,12.00-20,1200-24,14.00-20,14.00-24,16.00-25,17.5-25,18.00-25,20.5-25,23.5-25,26.5-25,29.5-25,29.5-29,35/65-33 Suitable to loaders,scrapers and excavators,operating under rocky harsh conditions in pit lane,tunnel,etc.,special stock compound provides optimum cutting and wear resistances,smooth thickened, and super thickend treads increase rock puncture resistance,provide extremely high cutting resistance.