This removable round sealed electrical box knocker is easy to install and can be quickly inserted into the socket hole of the electrical box. It has good sealing performance and can effectively prevent the intrusion of dust and debris.

Specifications:
Material: Stainless steel
Size:
Outside diameter: 27 mm / 1.06 inch
Inner diameter: 22 mm / 0.86 inch
Color: Silver
Packaging List:
10 X Electrical Box Knockout Plugs

Notes:
1. Small items may include, please store with care.
2. Manual measurement, please allow slight errors on size.
3. The color may exist slight difference due to different screen displays.