MFR #: 156437UPC: 661120564379Wheeler Delta Series AR Front Sight ToolThis 4-prong front sight tool is designed to adjust the A2 front sight found on the AR-15, M16, and M4. It is machined from steel and has a black zinc finish to last for years. The key ring serves as a handle and helps keep the small tool accounted for.Install and adjust standard Mil-Spec A2 front sights on AR-15, M16, and M4Can be used with any A 1/4" hex driverKey ring for storage serves as a handle alsoBlack zinc plated steel