Bulk Hardware BH04061 47mm (1.7/8 inch) Depth Single 1-Gang Metal Flush Mount Back Pattress Box

Merriway BH04061 47mm (1.7/8 inch) Depth Single 1-Gang Metal Flush Mount Back Pattress Box , Grey

Merriway BH03777 (20 Pcs) Hole Grommet for Electrical Wall Surface and Back Boxes, 19mm (3/4 inch) - Pack of 20 Pieces, Black

SHPELEC® METAL BACK BOX 1 GANG 2 GANG 25mm 35mm 47mm (2 Gang 47mm - 5 pack)