Offered here is an Orange and Black box that once contained 50 Ireco Electric Detonators with a 4ft copper wire. Manufactured by Ireco, Salt Lake City, Utah. Also known as blasting caps, they were used to trigger accurate and consistent explosions in mining, quarrying, civil engineering, and demolition. Included as shown is an original safety pamphlet that was most likely provided in each box. measures approx. 7.5" x 6" x 3.25". A great display piece of mining history. Thanks for Looking!