Overview Reviews Product Description Black rubber grommet for 4" light. Provides lamps with additional shock and vibration absorbency. WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov. Product Videos Custom Field Product Reviews Write a Review Write a Review × United Pacific 4" Grommet Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *