Blank Cover With Screw | 1.51 in Length X 2.12 in Height, 0.42 in Thread Length, for Armored Cable, Flexible Metal Conduit and Metal Clad Cable | Domed Covers Provide Extra Wiring Space; Wiring Capacity: 1.5 Cu-in as Per Nec 314.16(a)Furbay Electric Supp