The Wheeler Engineering Delta Series AR-15 Armorer's Essentials Kit is the perfect kit for the do it yourselfer or hobby gunsmith. The kit contains all the necessary tools to complete a full rifle build, make repairs or perform normal maintenance on the AR-15 style rifle. The tools are constructed of high quality materials to deliver the best performance at a great value and the included carry case keeps the tools from being misplaced and close at hand when needed.