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

Cox Hardware and Lumber - Gray Weatherproof Closure Plug, 3/4 In 4 Pack

Rubber Insulated Steel Clamps 3/8ID .404 Mounting Hole 10 Pack

1691 Bridgeport 1/2 Steel Knockout Plug

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

10 Pack PTFE Thread Seal Tape for Plumbers, White 3/4 Inch x 260 Inch

Hubbell Electrical Box Knockout Plugs at

Sigma Electric ProConnex 18151 Knockout Seal 3/4-Inch, 4-Pack - Conduit Fittings

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

Electrical Box Knockout Plugs at

This pack of 4 Pro-Connex electrical accessories includes 1/2 knock out seals, designed to seal openings in rigid metal conduit (RMC). These seals

1/2 KNOCK OUT SEALS - PACK OF 4 - PRO-CONNEX NEW PACKAGE ELECTRICAL ACCESSORIES