Smartwares Rock'n Roll Pizza Cutter White Revolutionary Rocking cutter cuts 12" pizza or pie in 1 rocking motion! Safer and easier to use than traditional pizza wheets. Cutting edge is Child Safe! Will not scratch metal pans and non stick cooking surfaces. Durable and Top rack dishwasher safe. Easy to Clean, just rinse! Will not rust! Pizza won't stick! No moving parts. Great for home and makes a perfect college gift!