The Vita-Mix 15732 Control Knob provides reliable manual adjustment for compatible commercial blending equipment, helping operators maintain straightforward control during demanding foodservice operations. Measuring 1-1/8 inches in diameter, this compact knob is designed to mount securely onto the equipment control shaft and translate operator rotation into precise setting adjustments. https://partsfe.com/knob1-18-d-for-vitamix-part-15732