Knockout Seal, Snap" Steel, 1/2"
1/2", Knockout Seal, Snap-In, Steel, Package Quantity: 100.Appleton's knockout blanks are used to close a knockout or sliphole in a sheet metal enclosure.Also known as: 781381666909, S50, APPS50, push penny, Snap in hole plug, 1/2" PUSH PENNY, Nylon KO seals, 1/2" KO SEAL, penny, Goof plug, jam circle, bottle cap