... A3 paper 2).Heavy duty with big bin,suitable for big office use 3). Digital automatic system Shredder: Wide ... throat, up to 310mm, shred A3 papers freelyPowerful cutting mechanism, shred up to 18 sheets ... ModelA3100Paper slot width(mm)310CD slot width(mm) Paper capacity(A4/80g)12CD capacity (PCS)1Paper shred ... 360/410 Rayson A3100, Office machine Paper Shredder