5-Pk. 3/8-In. I.D. Flexible Black Vinyl Hole Grommet
5 Pack, 3/8" Inside Diameter, 1/2" Drill Hole, 11/16" Overall Diameter, Flexible Black Vinyl Hole Grommet, Snaps Into Holes In Steel Electrical Boxes, Panels Or Sheeting To Protect Electrical Cable/Wire.