Sigma Engineered Solutions ProConnex Round Zinc-Plated Steel .37 in. H X 1/2 in. W Knockout Seal
$0.99
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Sigma Engineered Solutions ProConnex Round Zinc-Plated Steel .37 in. H X 1/2 in. W Knockout Seal
$0.99
The Sigma ProConnex knockout seals are used to close exposed holes in an outlet box or metal enclosure. These knock-out seals are of zinc-plated steel construction.
- Closes unused knockouts in a steel outlet box or metal enclosure
- For 1/2-in knockouts *
- Zinc-plated steel construction
- Actual diameter: 1.07", trade size 1/2"