1/2 in. Box Knock Out Seal SKU 806440 SELL UNITS: Each $0.99 Quantity discounts available QuantityPrice (0)No Reviews yet Only available for Pickup Pickup in Store - FREE! Select Store to check availability. Selected Pickup Location Quantity -+ Add to Cart Details Use indoors to cover exposed holes in steel outlet boxes and other metal enclosuresSteel1/2 in. trade size Details Back DetailsUse indoors to cover exposed holes in steel outlet boxes and other metal enclosuresSteel1/2 in. trade size Ratings & ReviewsNo reviews availableBe the first to Write a Review