Rommelsbacher Electric Knife The Rommelsbacher Electric Knife is a handy tool for the kitchen. With this knife, cutting food is quick and easy and requires no effort. The powerful motor is vibration-free and can even handle frozen products. For example, the knife can be used to cut bread, cake, meat or pizza. There are two types of knives in the pack: a knife with fine teeth and a knife with coarse teeth. Both knives include finger protection.