6-Pk. 1/4-In. I.D. Flexible Black Vinyl Hole Grommet
6 Pack, 1/4" Inside Diameter, 3/8" Drill Hole, 1/2" Overall Diameter, Flexible Black Vinyl Hole Grommet, Snaps Into Holes In Steel Electrical Boxes, Panels Or Sheeting To Protect Electrical Cable/Wire.