The Frankford Arsenal Universal Reloading Tray is an essential accessory for any reloader. It will hold 50 pieces of brass of virtually every rifle cartridge from 17 Remington to 458 Winchester Magnum and every pistol cartridge from 9mm to 500 S&W Magnum. Made from durable molded plastic, this tray will last a lifetime. Number of Holes: 150 on top 50 Large, 50 Small with 50 holes designed for handgun cartridges on bottomDimensions: 5.5" x 11.25" x 1.25" (W x L x H) Notes: Unique stepped cavity to accommodate several different brass cases in the same hole