2 in. x 5 in. Hole Round Sprinkler Head Drywall PatchTrying to repair sprinkler pipe holes. Head patch get the job done fast and right by repairing and reinforcing those mis cuts or damaged areas. Head patch will not sag on large ceiling mis cuts. Installation is simple using standard compounds and there are no special tools or fasteners needed. The pre cut design allows for a snug fit around standard sprinkler pipes. No need for worry as a second coat of compound can be applied immediately. California