1-1/8" Black Plastic Round Head Sheet Metal Plugs (4 pcs.)

Diameter: 1-1/8"
Diameter 2: 1.53"
Thickness: .43"
Material: Plastic
Finish: Black
Head Style: Round
Style: Sheet Metal
Type: Hole Plug
Application: 1-1/5" hole

Box of 4.

Hole plugs are used to cover a hole to prevent debris from entering.