The Wheeler Delta Series AR Front Sight Tool is specially designed for the installation and adjustment of the A2 front sight found on AR-15, M16, and M4 firearms. This 4-prong sight tool is constructed from high-quality steel. It features a black zinc finish, ensuring long-lasting durability and resistance to rust. The included key ring doubles as storage and a handle, and the tool can be used with any 1/4" hex driver, making it a versatile addition to your gear.