Manufacturer number: HENDI 280102 The 4 mm slice disc (2 knives on the disc) fits the shredder model 231807. Product features: – has 2 knives – the disc has a diameter of 205 mm – roller diameters of 19 mm – type DF-4 – thickness 4 mm Parameters: – length in mm: 540 – width in mm: 240 – height in mm: 450