The Waring WFP16S16 grating disc is compatible with Waring WFP16S and WFP16SCD food processors, attaching to their stems, so users can start preparing food. It has two options that fill a variety of grating needs. Because it's made of stainless steel, this disc withstands frequent use without rusting or bending out of shape. Grating Disc (for WFP16S Food Processor)