... protected 3. Knife material-SKD-11 KES single shaft shredderUsage:Mainly used for tear up material ... toughness, large-scale materials (big head material, large plastic pipes, packing barrels, forklift pallets, wood, punching bags ... , fishing nets, plastic sheets, tires, etc)..Main functions:It can shredded ... -4012055400*12008003000*2100*2300 single shaft shredder