The Waring/Qualheim 027170 Left Push Knob is a toaster control component used for manual operation of the associated function. Its left-side position distinguishes it from other control knobs used on the equipment. The push-style design provides a direct control point for the toaster during normal operation. This component is identified by its 027170 specification and is associated wi... https://partsfe.com/push-knob-left-half-for-waring-part-027170