The Wheeler Delta Series AR Armorer's Professional Kit contains all of the tools a gunsmith or armorer needs to complete a full rifle build, make repairs or perform maintenance on AR-15/M16 platform rifles. Each of these Delta Series tools is designed with application specific features to perform specific functions with precision and ease. Each tool is constructed of the highest quality materials to deliver the best performance at a great value. This all-inclusive 19 piece Armorer's Kit has some of the most innovative AR-15 tools on the market today, making it the most advanced kit out there. All of the tools fit inside the durable carry case for convenient storage and transport.