The Rankin Delux RB-15 Knob provides reliable on/off control for compatible commercial cooking equipment. Designed as a replacement 2-1/4-inch diameter control knob with clear Off/On markings, it works by fitting securely onto the valve or control switch shaft, allowing operators to turn the equipment on or off with ease and accuracy. Its properly sized design supports smooth operatio... https://partsfe.ca/knob2-14-d-off-on-for-rankin-deluxe-part-rb-15