Change base plates or disassemble Glock OEM magazines for safe and easy cleaning. No fumbling, no need for an extra hand, no out of control springs launching across the room. The Smart Mag Tool for Glock simplifies the process by allowing you to break open the base plate, and slide it off while retaining the spring in a secure position. To assemble, just reverse the operation. A once clumsy task has been rendered easy. It's called the Smart Mag Tool. Maybe it should be called the Easy Mag Tool.Features: - Easily change base plates or disassemble Glock OEM magazines for safe and easy cleaning - Aids in both the disassembly and reassembly of the magazine - Captures the spring on disassembly and prevents it from launching across the room - Unload the magazine with quick unload feature on the back - Rubber over molded base prevents tool from slipping and protects your table from scratching - Does not work on extended base plates such as the Glock + base plate found on some high capacity magazines.