1/2" Panel Hole PVC Rubber Grommets with 3/8" ID Fits 1/16" Thick Walls 6 / 12 / 24 Packs Available These PVC wiring grommets are designed to cover sharp edges in panel holes or electrical boxes, so cables can be pulled through without being damaged. Panel Hole Diameter: 1/2" ID: 3/8 (wiring hole) OD: 5/8" Panel Groove Width 1/16" Overall Thickness: 1/4" Durometer : 60 A Material: PVC Generally Resistant To: Abrasion, Water, Moderate, Chemicals, Organic Acids, Alcohols, Ketones and Aldehydes Grommets are useful in electronic applications when a wire or tube needs to pass through metal or another material that may cause damage. Most commonly, they protect cables, provide protection and abrasion resistance for wires and wire bundles passing through panel holes. They eliminate sharp edges that can cut in to wiring during vibration. Rubber grommets are also important parts in automotive applications. Fast and Free Shipping