Whether you're changing base plates, performing routine maintenance, or ensuring a thorough cleaning, this tool makes the job easier by eliminating the need for an extra set of hands and preventing the spring from launching across the room. Compatible with a wide range of Glock magazine models, it’s especially useful for owners of Glock 19, 17, 43, 26, 22, 48, 27, 45, 21, 42, 30, 34, 20, 44, and more. The Smart Mag Tool for Glock is an essential accessory for maintaining the longevity and reliability of your Glock magazines.