Check the listing for details. KEPRO Copper Laminate 4" x 6" x .062" FR-4 1oz Photosensitized KC1-46G NEW. Condition: New. Listed at 9.99 USD. Vintage Kepro Circuit Systems #KC1-46G 4"x6"x0.062" copper-clad laminate. Photosensitized with dry film. Includes DFD-type developer. Dated 02/13/2001. New in sealed plastic package.