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Always wear eye and ear protection when operating power tools during installation.
HIT-21 simplifies mortise lock cylinder installation, making it fast, accurate, and easy.
Remove lock faceplate, loosen retaining screw, and replace cylinder with the HIT-21 drill guide.
Thread guide, drill pilot hole, then use hole saw with drill blank for cylinder hole.
Remove drill guide, install cylinders, and verify the lock's proper operation.
General