"Advanced design,High Efficient energy-saving free training, free installation,easy operation used for tire size: 14""-35"" Capable for tire: 14-35"" Functions; To buff the used tyre so that used tyre roof will form a clean and rough surface convenient for interfusion of used tyre and new material of procured tread. To buff used tyre roof so that the size of circumference as required will be obtained http://www.china-tyre-mould.com"