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 316 hex nut driver for removinginstalling 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.