Binding doesn't get any simpler! Ideal for everyday, high volume use, the robust CombBind C800Pro fully integrates the convenience of electric punching with easy manual binding. Operated by a switch or foot pedal, it can punch up to 20 x 80gsm sheets and bind up to 450 sheets using a 51 mm comb. Selector pins allow you to adjust paper size up to A4, margin depth can also be altered.- Warranty/Guarantee : 2 Years