CodreamDirect via Amazon offers the Codream Stainless Steel Pizza Cutter Wheel for $9.99. Coupon code "NOIP8DYK" drops it to $6.99. Plus, Prime members bag free shipping. (Non-members can spend $49 to bag free shipping; otherwise, it adds $6.22.) That's $4 under the lowest total price we could find for a similar item. It features a curved design to improve leverage when cutting.