IMI Defense Glock Mag Floor Plate Opener Tool FDE. Specifications for IMI Defense Glock Mag Floor Plate Opener Tool: Manufacturer: IMI Defense Weight: 21 g Fabric/Material: Polymer Features of IMI Defense Glock Mag Floor Plate Opener Tool Remove the magazine from the pistol. Unload the magazine. Remove old floor plate by pressing one of the plastic nubs with the tool's pin. Press spring and original locking plate into the magazine. Remove the original plate and install the new. Make sure the floor plate is locked in position. Package Contents: IMI Defense Glock Mag Floor Plate Opener Tool IMI Defense 97197: Glock Mag Floor Plate Opener Tool FDE