This tactical tool is designed in a pen configuration with a steel disassembly and from sight tool for Glock pistols. One side of the tool has a 2.5mm punch tool. It removes the pins and disassemble the Glock frame, slide and the magazine. The opposite side of the tool has a 3/16" hex nut driver for removing/installing factory and aftermarket Glock front sights. The hex nut driver features an internal magnet to hold the front sight screw. Recommended for Glock, after market tool.