Reusable plug for 7/8″ diameter treatment holes. Use the 15/16″ x 1 7/8″ long plugs in conjunction with 7/8″ diameter rods. Provides a tight fit and quick thread design allows for reuse of treatment hole in the future. Pack of 100 plugs. To install, simply tap in with hammer. Removal can by by special Genics plug removal tool, 3/8″ socket drive or by large flat head screwdriver.