... protected 3. Knife material-SKD-11 KES single shaft pipe shredder machineUsage:Mainly used for tear up material such as special ... material, large plastic pipes, packing barrels, forklift pallets, wood, punching bags, fishing nets, plastic sheets, tires, etc)..Main functions:It can ... -408037400*8006002650*1550*2000KES-4012055400*12008003000*2100*2300 plastic pipe shredder machine