This Precision-Cut Cooking Blade is Cut from Clear Plastic

 - Jan 6, 2016
References: instructables & instructables
These custom serrated plastic bread knives are an ideal cost effective solution to purchasing metallic knives while still offering the same quality cut and design. The knives are made from custom-carved plastic that is precision cut to deliver a reputable plastic blade that can cut through thick crusts and provide a seamless slice every time.

The plastic knife design is simple enough to make and requires a laser cutter to achieve the proper blade thickness and grooves. The laser works to cut the plastic super fine so that it cuts as well as metal, but for a fraction of the cost. Because the blade is designed to cut bread it features a serrated edge. The plastic blade is then attached to a wooden handle for easy use.