Removable Handles, Ergonomically designed. It is designed and manufactured from a superior, high-quality phenolic material. The phenolic material provides a long-lasting durability and resistance to heat and chipping. The aesthetic properties of phenolic allow for unique designs and textures, while providing high-polish abilities that add distinct beauty to each piece. While the handles are not designed for ovenware, phenolic can withstand temperatures up to 350° Fahrenheit F (or 177° Celsius C). The Versa Loc handle system and fittings are manufactured in Germany, using high-quality standards, state-of-the-art equipment and proprietary design methods and technology.