$1.64 / PK
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, Carded.
3/8 Quick Link
1x30" BLK Cut Pipe
7/32" TITANIUM DRILL BIT
1 1/4x4 Galv Nipple