Knock Out Seal, 1-1/2" Conduit Sz, 0.34" D, Raco, Mfr#: 1046

Knockout Plug, Installation Accessories, Material Steel, Silver Color, For Use With Electrical Boxes and Enclosures, Covers Exposed Knockout Holes Function, Corrosion Resistant, Length 2.2 in, Width 2.2 in, Depth 0.34 in, Number of Gangs 0, Conduit Size (In.) 1-1/2, Number of 1/2 In. Side Knockouts 0, Round Design, Includes Mounting Screws