A4 Smart 4 in 1 rotary trimmer: 4 in 1 cutting head for straight line, wavy line, dotted line and creasing.Simply slide a switch to shoose Max cutting for wavy line and creasing is 6 sheets of 80gsm See-through window visually display the cutting method you choose Strong and durable all-metal base and non-slip mat make the cutting accurately, easily and smoothly Self-healingcutting mat for long-lasting use Accurate, wear-resisting grid screen printed on the metal base Totally-enclosed blades for safety