Gardner Bender KO701C Knockout Seal, 1/2-Inch, 5/Carton Review
Gardner Bender KO701C Knockout Seal, 1/2-Inch, 5/Carton Reviewhttp://tinyurl.com/on4q93d Gardner Bender KO701C Knockout Seal, 1/2-Inch, 5/Carton Easy-to-use metal knockout sealSuperior quality at an affordable priceEmbossed for quick self-centering in unused knockouts