1/2 in. Knock-Out Seals (4-Pack)

Knock-Out Seals are designed to cover exposed knock-out holes in steel boxes and other metal enclosures. The 1/2 in. Knock-Out Seals (4-Pack) offer

Hubbell-Raco 1040 Knockout Seal, 2 Piece, 3-1/2 Trade Size, Steel (Pack of 10)

Knock-Out Seals are designed to cover exposed knock-out holes in steel boxes and other metal enclosures. The 1/2 in. Knock-Out Seals (4-Pack) offer

1/2 in. Knock-Out Seals (4-Pack)

Knock Out Seals, Knockout Plugs

Rack-A-Tiers KOK999 :: Multi-Pack K.O. Seals 25-Pk :: PLATT ELECTRIC SUPPLY

Halex, 1-1/4 in. Knockout Seal , 60712, 1 per pack , Silver - Electrical Distribution Wall Plates

Lightning™ L2-Series Tire Air Chuck

The knockout seal is ideal for electrical assemblies and can be used for covering knockout holes in electrical boxes The nylon knock-out seal features

The Hillman Group 58179 2-1/2-Inch Hole Nylon Knock Out Seal, Black, 2-Pack

Commercial Electric 1/2 in. Knockout Seal (4-Pack) FAKOS-50-4 - The Home Depot

Sigma ProConnex 1/2-in Plastic Knockout Bushing Conduit Fittings in the Conduit Fittings department at

The Hillman Group 58179 2-1/2-Inch Hole Nylon Knock Out Seal, Black, 2-Pack : Industrial & Scientific

RACO 1043B4 Knockout Seal, 3/4-Inch Trade Size, Steel, 4-Pack