The TruGlo Magnetic Combo Tool compatible with Glock features a 2.5mm diameter hardened steel pin and internal magnet which holds the front sight screw during installation. It is useful for the removal of action, and trigger pins during disassembly. The combo tool easily removes and installs front sights compatible with Glock. With its compact size, this tool can easily fit into your range bag or pocket, making it convenient to bring with you wherever you go.