PROCRAFT ARBN-1U-5-BK 1U 5" Deep All Aluminum 19" Rack Mount Project Box PROCRAFT ARBN-1U-5-BK (2nd Generation) 1U 5" Deep All Aluminum 19" Rack Mount Project Box Dimensions are: 1.75" Tall X 5" Deep X 19" Front Width X 17.25 Back Width This project box is our improved version of the ARB-1U-5-BK. This is still the 6 piece break down all aluminum project box you know and love with some slight changes in hole placement and elongated flange on the top and bottom of the front and back panels. The Rack Ears (sides) of the box are made with .090 Aluminum. The Front, Back, Top, & Bottom panels are made with 1/16" Aluminum. ** PLEASE NOTE** The Panels in this New Design, will not match up with any from the ARB-1U-5-BK This product is made from sheet aluminum that is cut, punched, bent, and powder coated at our facility in Jackson, MO. Thank you for supporting American Made Products ~ Pro Speaker Parts / EAI