Grommets snap easily into stud and joist knockouts. They are used to protect electrical wiring and plumbing lines from contacting metal. Grommets can be used in commerical and residential construction for stud sizes of 3 1/2′ and larger.
- Install grommets in all stud knockouts where wiring and plumbing lines will be inserted.
- Simple one piece snap in installation.
- 25 parts to a bag/1000 to a box.