The Vitrex 102330 is a 400mm steel flatbed tile cutter with a simple �score and snap� cutting action. It is suitable for cutting wall, floor and quarry tiles up to 400mm square and 10mm thick and will cut tiles up to 280mm square on diagonal cuts. It includes 2 tungsten carbide cutting wheels 15mm (the spare wheel is stored inside the handle) Spare Kit Available VIT102335 Blade Size: 14mm Max. Straight Cut: 400mm. Max. Diagonal Cut: 280mm. Max. Thickness: 10mm.