WARNING: This product may contain a chemical known to the state of California to cause cancer, or birth defects or other reproductive harm. For more information visit www.p65warnings.ca.gov.
Bottom knob controls - 500K, diameter 3/16 inch, 4.77 mm
Top knob controls - 250K, diameter .265 inch, 6.75 mm.
This product is subject to our General Return Policy. Please visit allparts.com/returns to review this return policy before you purchase.